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Home > Category Index for Science Quotations > Category Index S > Category: Sex

Sex Quotes (30 quotes)

'Auto erotism,' ... spontaneous solitary sexual phenomena of which genital excitement during sleep may be said to be the type.
Psychology of Sex (1933), 91.

Among all types of sexual activity, masturbation is ... the one in which the female most frequently reaches orgasm.
Sexual Behavior in the Human Female (1953), 132.
Science quotes on:  |  Female (10)

And as I had my father's kind of mind–which was also his mother's–I learned that the mind is not sex-typed.
Blackberry Winter: My Earlier Years (1973), 54.
Science quotes on:  |  Father (17)  |  Mind (272)  |  Mother (25)  |  Thinking (166)  |  Type (15)

Being the inventor of sex would seem to be a sufficient distinction for a creature just barely large enough to be seen by the naked eye.
[Comment about Volvox, a freshwater green algae, which appears indetermimately plantlike and animal-like during its reproductive cycle.]
The Great Chain of Life (1957), 28.
Science quotes on:  |  Algae (3)  |  Creature (51)  |  Distinction (19)  |  Inventor (25)  |  Microorganism (19)

Courtship, properly understood, is the process whereby both the male and the female are brought into that state of sexual tumescence which is a more or less necessary condition for sexual intercourse. The play of courtship cannot, therefore, be considered to be definitely brought to an end by the ceremony of marriage; it may more properly be regarded as the natural preliminary to every act of coitus.
Studies in the Psychology of Sex (1921), Vol. 3, 239.
Science quotes on:  |  Marriage (19)

Every animal is sad after coitus except the human female and the rooster.
Galen
Attributed.
Science quotes on:  |  Happiness (58)

Few males achieve any real freedom in their sexual relations even with their wives. Few males realise how badly inhibited they are on these matters.
Sexual Behavior in the Human Male (1948), 545.
Science quotes on:  |  Inhibition (10)  |  Male (11)  |  Wife (9)

I conclude that the musical notes and rhythms were first acquired by the male or female progenitors of mankind for the sake of charming the opposite sex.
Descent of Man
Science quotes on:  |  Music (26)

I regard sex as the central problem of life. And now that the problem of religion has practically been settled, and that the problem of labor has at least been placed on a practical foundation, the question of sex—with the racial questions that rest on it—stands before the coming generations as the chief problem for solution. Sex lies at the root of life, and we can never learn to reverence life until we know how to understand sex.
Studies in the Psychology of Sex (1897), Vol. 1, xxx.

I think I may fairly make two postulata. First, That food is necessary to the existence of man. Secondly, That the passion between the sexes is necessary and will remain nearly in its present state. These two laws ever since we have had any knowledge of mankind, appear to have been fixed laws of our nature; and, as we have not hitherto seen any alteration in them, we have no right to conclude that they will ever cease to be what they are now, without an immediate act of power in that Being who first arranged the system of the universe; and for the advantage of his creatures, still executes, according to fixed laws, all its various operations.
First 'Essay on the Principle of Population' (1798), reprinted in Parallel Chapters from the First and Second editions of An Essay on the Principle of Population (1895), 6.
Science quotes on:  |  Act (22)  |  Advantage (22)  |  Alteration (15)  |  Being (34)  |  Cease (5)  |  Conclude (3)  |  Creator (15)  |  Creature (51)  |  Existence (150)  |  Fixed (6)  |  Food (77)  |  God (234)  |  Immediate (8)  |  Knowledge (679)  |  Law (273)  |  Law Of Nature (30)  |  Man (258)  |  Mankind (111)  |  Nature (534)  |  Necessary (19)  |  Passion (24)  |  Postulate (19)  |  Power (103)  |  Present (36)  |  Remain (18)  |  Right (49)  |  State (43)  |  System (66)  |  Universe (291)

I think it is a duty I owe to my profession and to my sex to show that a woman has a right to the practice of her profession and cannot be condemned to abandon it merely because she marries. I cannot conceive how women's colleges, inviting and encouraging women to enter professions can be justly founded or maintained denying such a principle.
(From a letter Brooks wrote to her dean, knowing that she would be told to resign if she married, she asked to keep her job. Nevertheless, she lost her teaching position at Barnard College in 1906. Dean Gill wrote that “The dignity of women's place in the home demands that your marriage shall be a resignation.”)
As quoted by Margaret W. Rossiter in Women Scientists in America: Struggles and Strategies to 1940. Baltimore: Johns Hopkins University Press (1982).
Science quotes on:  |  Abandon (13)  |  College (15)  |  Condemnation (8)  |  Denial (3)  |  Duty (26)  |  Founding (2)  |  Invitation (4)  |  Maintenance (7)  |  Marriage (19)  |  Practice (26)  |  Principle (97)  |  Profession (26)  |  Right (49)  |  Role Model (5)  |  Woman (36)

In order that an inventory of plants may be begun and a classification of them correctly established, we must try to discover criteria of some sort for distinguishing what are called 'species'. After a long and considerable investigation, no surer criterion for determining species had occurred to me than distinguishing features that perpetuate themselves in propagation from seed. Thus, no matter what variations occur in the individuals or the species, if they spring from the seed of one and the same plant, they are accidental variations and not such as to distinguish a species. For these variations do not perpetuate themselves in subsequent seeding. Thus, for example, we do not regard caryophylli with full or multiple blossoms as a species distinct from caryophylli with single blossoms, because the former owe their origin to the seed of the latter and ifthe former are sown from their own seed, they once more produce single-blossom caryophylli. But variations that never have as their source seed from one and the same species may finally be regarded as distinct species. Or, if you make a comparison between any two plants, plants which never spring from each other's seed and never, when their seed is sown, are transmuted one into the other, these plants finally are distinct species. For it is just as in animals: a difference in sex is not enough to prove a difference of species, because each sex is derived from the same seed as far as species is concerned and not infrequently from the same parents; no matter how many and how striking may be the accidental differences between them; no other proof that bull and cow, man and woman belong to the same species is required than the fact that both very frequently spring from the same parents or the same mother. Likewise in the case of plants, there is no surer index of identity of species than that of origin from the seed of one and the same plant, whether it is a matter of individuals or species. For animals that differ in species preserve their distinct species permanently; one species never springs from the seed of another nor vice versa.
John Ray
Historia Plantarum (1686), Vol. 1, 40. Trans. Edmund Silk. Quoted in Barbara G. Beddall, 'Historical Notes on Avian Classification', Systematic Zoology (1957), 6, 133-4.
Science quotes on:  |  Accident (25)  |  Animal (143)  |  Blossom (5)  |  Cow (18)  |  Criterion (3)  |  Difference (135)  |  Distinct (12)  |  Distinguishing (8)  |  Individual (59)  |  Inventory (2)  |  Investigation (83)  |  Likewise (2)  |  Man (258)  |  Mother (25)  |  Multiple (6)  |  Parent (24)  |  Permanence (10)  |  Perpetuation (2)  |  Plant (96)  |  Production (72)  |  Propagation (7)  |  Seed (19)  |  Single (26)  |  Species (96)  |  Variation (34)  |  Woman (36)

On the one hand, then, in the reproductive functions proper—menstruation, defloration, pregnancy and parturition—woman is biologically doomed to suffer. Nature seems to have no hesitation in administering to her strong doses of pain, and she can do nothing but submit passively to the regimen prescribed. On the other hand, as regards sexual attraction, which is necessary for the act of impregnation, and as regards the erotic pleasures experienced during the act itself, the woman may be on an equal footing with the man.
'Passivity, Masochism and Femininity', Journal of Psychoanalysis, 1935, 16, 327.
Science quotes on:  |  Pain (49)  |  Woman (36)

Philosophy is to science as pornography is to sex: it is cheaper, easier and some people prefer it.
Review of Simon Pinker, How the Mind Works (1997). In New York Review of Books (6 Nov 1997).
Science quotes on:  |  Philosophy (132)  |  Preference (15)

Reproduction is so primitive and fundamental a function of vital organisms that the mechanism by which it is assured is highly complex and not yet clearly understood. It is not necessarily connected with sex, nor is sex necessarily connected with reproduction.
Psychology of Sex (1933), 7.
Science quotes on:  |  Reproduction (34)

Science and engineering students presumably are left to learn about their literature in the same way they learn about sex.
'Learning for Life', Journal of Chemical Information and Computer Sciences (1981), 21 (4), 2A.
Science quotes on:  |  Engineering (60)  |  Learning (130)  |  Literature (33)  |  Presumption (6)  |  Science (875)  |  Student (54)

Sex appeal is a matter of chemistry, but you don't have to be a chemist to find the formula.
Anonymous
In Evan Esar, 20,000 Quips and Quotes, 128.
Science quotes on:  |  Chemistry (143)  |  Formula (29)

Sex is the best form of fusion at room temperature.
Anonymous
Saying.
Science quotes on:  |  Research (360)

Sexual instinct—as emotion, idea, and impulse—is a function of the cerebral cortex. Thus far no definite region of the cortex has been proved to be exclusively the seat of sexual sensations and impulses.
Psychopathia Sexualis: With Special Reference to Contrary Sexual Instinct: A Medico-Legal Study (1886), trans. Charles Gilbert Chaddock (1892), 24.
Science quotes on:  |  Brain (106)  |  Cortex (2)

The male's difficulties in his sexual relations after marriage include a lack of facility, of ease, or of suavity in establishing rapport in a sexual situation.
Sexual Behavior in the Human Male (1948), 545.
Science quotes on:  |  Male (11)  |  Marriage (19)

The modesty of women, which, in its most primitive form among animals, is based on sexual periodicity, is, with that periodicity, an essential condition of courtship.
Psychology of Sex (1933), 30.

The range of variation in the female far exceeds the range of variation in the male.
Sexual Behavior in the Human Female (1953), 537-8.
Science quotes on:  |  Female (10)  |  Male (11)  |  Variation (34)

The second great channel through which the impulse towards the control of procreation for the elevation of the race is entering into practical life is by the general adoption, by the educated—of methods for the prevention of conception except when conception is deliberately desired.
Studies in the Psychology of Sex (1913), Vol. 4, 588.

The weakness of men in comparison with women lies in the great intensity of their sexual desires. Man becomes dependent upon woman, and the more, the weaker and more sensual he becomes; and this just in proportion as he becomes neuropathic.
Psychopathia Sexualis: With Special Reference to Contrary Sexual Instinct: A Medico-Legal Study (1886), trans. Charles Gilbert Chaddock (1892), 14.
Science quotes on:  |  Men (12)  |  Women (5)

There is a tendency to consider anything in human behavior that is unusual, not well known, or not well understood, as neurotic, psychopathic, immature, perverse, or the expression of some other sort of psychologic disturbance.
Sexual Behavior in the Human Female (1953), 195.
Science quotes on:  |  Behavior (13)  |  Disturbance (12)  |  Immature (2)  |  Neurotic (4)  |  Perverse (3)  |  Understanding (231)

Too early and perverse sexual satisfaction injures not merely the mind, but also the body; inasmuch as it induces neuroses of the sexual apparatus (irritable weakness of the centres governing erection and ejaculation; defective pleasurable feeling in coitus), while, at the same time, it maintains the imagination and libido in continuous excitement.
Psychopathia Sexualis: With Special Reference to Contrary Sexual Instinct: A Medico-Legal Study (1886), trans. Charles Gilbert Chaddock (1892), 189.
Science quotes on:  |  Imagination (130)  |  Mind (272)  |  Neurosis (6)

What we call 'Progress' is the exchange of one Nuisance for another Nuisance.
Impressions and Comments (1914), 5.

While up to this time contrary sexual instinct has had but an anthropological, clinical, and forensic interest for science, now, as a result of the latest investigations, there is some thought of therapy in this incurable condition, which so heavily burdens its victims, socially, morally, and mentally. A preparatory step for the application of therapeutic measures is the exact differentiation of the acquired from the congenital cases; and among the latter again, the assignment of the concrete case to its proper position in the categories that have been established empirically.
Psychopathia Sexualis: With Special Reference to Contrary Sexual Instinct: A Medico-Legal Study (1886), trans. Charles Gilbert Chaddock (1892), 319.
Science quotes on:  |  Anthropology (32)  |  Clinical (2)  |  Investigation (83)  |  Therapy (9)

With respect of the development of physiological love, it is probable that its nucleus is always to be found in an individual fetich (charm) which a person of one sex exercises over a person of the opposite sex.
Psychopathia Sexualis: With Special Reference to Contrary Sexual Instinct: A Medico-Legal Study (1886), trans. Charles Gilbert Chaddock (1892), 17.
Science quotes on:  |  Love (64)

[I]magine you want to know the sex of your unborn child. There are several approaches. You could, for example, do what the late film star ... Cary Grant did before he was an actor: In a carnival or fair or consulting room, you suspend a watch or a plumb bob above the abdomen of the expectant mother; if it swings left-right it's a boy, and if it swings forward-back it's a girl. The method works one time in two. Of course he was out of there before the baby was born, so he never heard from customers who complained he got it wrong. ... But if you really want to know, then you go to amniocentesis, or to sonograms; and there your chance of being right is 99 out of 100. ... If you really want to know, you go to science.
In 'Wonder and Skepticism', Skeptical Enquirer (Jan-Feb 1995), 19, No. 1.
Science quotes on:  |  Actor (4)  |  Approach (16)  |  Baby (6)  |  Birth (47)  |  Child (90)  |  Complaint (7)  |  Experiment (369)  |  Fair (4)  |  Knowledge (679)  |  Mother (25)  |  Pendulum (10)  |  Science (875)  |  Swing (5)  |  Unborn (3)


Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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- 100 -
Sophie Germain
Gertrude Elion
Ernest Rutherford
James Chadwick
Marcel Proust
William Harvey
Johann Goethe
John Keynes
Carl Gauss
Paul Feyerabend
- 90 -
Antoine Lavoisier
Lise Meitner
Charles Babbage
Ibn Khaldun
Euclid
Ralph Emerson
Robert Bunsen
Frederick Banting
Andre Ampere
Winston Churchill
- 80 -
John Locke
Bronislaw Malinowski
Bible
Thomas Huxley
Alessandro Volta
Erwin Schrodinger
Wilhelm Roentgen
Louis Pasteur
Bertrand Russell
Jean Lamarck
- 70 -
Samuel Morse
John Wheeler
Nicolaus Copernicus
Robert Fulton
Pierre Laplace
Humphry Davy
Thomas Edison
Lord Kelvin
Theodore Roosevelt
Carolus Linnaeus
- 60 -
Francis Galton
Linus Pauling
Immanuel Kant
Martin Fischer
Robert Boyle
Karl Popper
Paul Dirac
Avicenna
James Watson
William Shakespeare
- 50 -
Stephen Hawking
Niels Bohr
Nikola Tesla
Rachel Carson
Max Planck
Henry Adams
Richard Dawkins
Werner Heisenberg
Alfred Wegener
John Dalton
- 40 -
Pierre Fermat
Edward Wilson
Johannes Kepler
Gustave Eiffel
Giordano Bruno
JJ Thomson
Thomas Kuhn
Leonardo DaVinci
Archimedes
David Hume
- 30 -
Andreas Vesalius
Rudolf Virchow
Richard Feynman
James Hutton
Alexander Fleming
Emile Durkheim
Benjamin Franklin
Robert Oppenheimer
Robert Hooke
Charles Kettering
- 20 -
Carl Sagan
James Maxwell
Marie Curie
Rene Descartes
Francis Crick
Hippocrates
Michael Faraday
Srinivasa Ramanujan
Francis Bacon
Galileo Galilei
- 10 -
Aristotle
John Watson
Rosalind Franklin
Michio Kaku
Isaac Asimov
Charles Darwin
Sigmund Freud
Albert Einstein
Florence Nightingale
Isaac Newton