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

Sperm Quotes (6 quotes)

A million million spermatozoa,
All of them alive:
Out of their cataclysm but one poor Noah
Dare hope to survive.
And among that billion minus one
Might have chanced to be Shakespeare, another Newton, a new Donne—
But the One was Me.
'Fifth Philosopher's Song', Leda (1920),33.
Science quotes on:  |  John Donne (11)  |  Genetics (98)  |  Sir Isaac Newton (258)  |  William Shakespeare (90)

But in my opinion we can now be assured sufficiently that no animals, however small they may be, take their origin in putrefaction, but exclusively in procreation… For seeing that animals, from the largest down to the little despised animal, the flea, have animalcules in their semen, seeing also that some of the vessels of the lungs of horses and cows consist of rings and that these rings can occur on the flea's veins, why cannot we come to the conclusion that as well as the male sperm of that large animal the horse and similar animals, and of all manner of little animals, the flea included, is furnished with animalcules (and other intestines, for I have often been astonished when I beheld the numerous vessels in a flea), why, I say should not the male sperm of the smallest animals, smaller than a flea may even the very smallest animalcules have the perfection that we find in a flea.
Letter to Robert Hooke, 12 Nov 1680. In The Collected Letters of Antoni van Leeuwenhoek (1957), Vol. 3, 329.
Science quotes on:  |  Animal (309)  |  Cow (27)  |  Flea (8)  |  Horse (40)  |  Intestine (8)  |  Lung (17)  |  Microorganism (20)  |  Semen (3)  |  Vein (11)

By the act of generation nothing more is done than to ferment the sperm of ye female by the sperm of ye male that it may thereby become fit nourishment for ye Embryo: ffor ye nourishment of all animals is prepared by ferment & the ferment is taken from animals of the same kind, & makes the nourishment subtile & spiritual. In adult animals the nourishmt is fermented by the choler and pancreatic juice both wch come from the blood. The Embryo not being able to ferment its own nourishment wch comes from the mothers blood has it fermented by the sperm wch comes from ye fathers blood, & by this nourishment it swells, drops off from ye Ovarium & begins to grow with a life distinct from that of ye mother.
From 'Quζst 25' in Draft version of The Queries manuscript, Add. MS. 3970, folio 235 held by the University of Cambridge Library. As quoted and cited in R.W. Home, 'Force, Electricity, and Living Matter', from Margaret J. Osler and ‎Paul Lawrence Farber (eds.), Religion, Science, and Worldview: Essays in Honor of Richard S. Westfall (2002), 113.
Science quotes on:  |  Animal (309)  |  Blood (95)  |  Distinct (29)  |  Drop (27)  |  Embryo (22)  |  Father (44)  |  Female (20)  |  Ferment (4)  |  Generation (111)  |  Grow (66)  |  Juice (7)  |  Life (917)  |  Male (24)  |  Mother (59)  |  Nourishment (16)  |  Pancreas (3)  |  Reproduction (57)  |  Swell (2)

I have divers times examined the same matter (human semen) from a healthy man... not from a sick man... nor spoiled by keeping... for a long time and not liquefied after the lapse of some time... but immediately after ejaculation before six beats of the pulse had intervened; and I have seen so great a number of living animalcules... in it, that sometimes more than a thousand were moving about in an amount of material the size of a grain of sand... I saw this vast number of animalcules not all through the semen, but only in the liquid matter adhering to the thicker part.
Letter to W. Brouncker, President of the Royal Society, undated, Nov 1677. In The Collected Letters of Antoni van Leeuwenhoek (1957), Vol. 2, 283-4.
Science quotes on:  |  Animalcule (10)  |  Microorganism (20)  |  Microscope (68)  |  Semen (3)

I'm not a wizard or a Frankenstein tampering with Nature. We are not creating life. We have merely done what many people try to do in all kinds of medicine—to help nature. We found nature could not put an egg and sperm together, so we did it. We do not see anything immoral in doing that in the interests of the mother. I cannot see anything immoral in trying to help the patient’s problem.
As quoted by thr Associated Press after the birth of Louise Brown, the first baby born by in vitro fertilization. Reprinted in, for example,'First test-tube baby born in England', Toledo Blade (27 Jul 1978), 1. As reported, the first sentence was given in its own quote marks, followed by “Dr. Steptoe said,” so the quote may not have been delivered as a single statement.
Science quotes on:  |  Create (98)  |  Egg (41)  |  Fertilization (15)  |  Frankenstein (3)  |  Help (68)  |  Immorality (4)  |  In Vitro (2)  |  Interest (170)  |  Life (917)  |  Medicine (322)  |  Mother (59)  |  Nature (1029)  |  Patient (116)  |  Tamper (5)  |  Try (103)  |  Wizard (3)

They are babies in waiting, life on ice.
On sperm cells frozen for preservation
'Quickening Debate over Life on Ice' Time (2 Jul 1984)
Science quotes on:  |  Baby (18)  |  Cell (125)  |  Freeze (5)  |  Ice (29)  |  Life (917)  |  Preservation (28)  |  Wait (38)


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
Quotations by: • Albert Einstein • Isaac Newton • Lord Kelvin • Charles Darwin • Srinivasa Ramanujan • Carl Sagan • Florence Nightingale • Thomas Edison • Aristotle • Marie Curie • Benjamin Franklin • Winston Churchill • Galileo Galilei • Sigmund Freud • Robert Bunsen • Louis Pasteur • Theodore Roosevelt • Abraham Lincoln • Ronald Reagan • Leonardo DaVinci • Michio Kaku • Karl Popper • Johann Goethe • Robert Oppenheimer • Charles Kettering  ... (more people)

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