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Who said: “A change in motion is proportional to the motive force impressed and takes place along the straight line in which that force is impressed.”
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Vertical Quotes (4 quotes)
Vertically Quotes

I sometimes think about the tower at Pisa as the first particle accelerator, a (nearly) vertical linear accelerator that Galileo used in his studies.
In Leon Lederman and Dick Teresi, The God Particle: If the Universe is the Answer, What is the Question (1993, 2006), 200.
Science quotes on:  |  Accelerator (7)  |  Galileo Galilei (122)  |  Particle Accelerator (2)  |  Research (590)  |  Sometimes (43)  |  Study (476)  |  Thinking (231)

If it were possible for a metaphysician to be a golfer, he might perhaps occasionally notice that his ball, instead of moving forward in a vertical plane (like the generality of projectiles, such as brickbats and cricket balls), skewed away gradually to the right. If he did notice it, his methods would naturally lead him to content himself with his caddies’s remark-“ye heeled that yin,” or “Ye jist sliced it.” … But a scientific man is not to be put off with such flimsy verbiage as that. He must know more. What is “Heeling”, what is “slicing”, and why would either operation (if it could be thoroughly carried out) send a ball as if to cover point, thence to long slip, and finally behind back-stop? These, as Falstaff said, are “questions to be asked.”
In 'The Unwritten Chapter on Golf, Nature (1887), 36, 502.
Science quotes on:  |  Ball (31)  |  Contentment (11)  |  Cricket (7)  |  Flimsy (2)  |  Forward (36)  |  Generalization (41)  |  Golfer (2)  |  Gradual (26)  |  Metaphysician (7)  |  Method (239)  |  Movement (83)  |  Notice (37)  |  Occasion (23)  |  Operation (121)  |  Plane (19)  |  Possibility (116)  |  Projection (5)  |  Right (197)  |  Verbiage (2)

Our notion of symmetry is derived from the human face. Hence, we demand symmetry horizontally and in breadth only, not vertically nor in depth.
In Pensées (1670), Section 1, No. 28. As paraphrased in W.H. Auden and L. Kronenberger (eds.) The Viking Book of Aphorisms (1966). From the more complete translation, “Symmetry is what we see at a glance; based on the fact that there is no reason for any difference, and based also on the face of man; whence it happens that symmetry is only wanted in breadth, not in height or depth,” in Blaise Pascal and W.F. Trotter (trans.), 'Thoughts', collected in Charles W. Eliot (ed.), The Harvard Classics (1910), Vol. 48, 15. From the French, “Symétrie, en ce qu’on voit d’une vue, fondée sur ce qu’il n’y a pas de raison de faire autrement: et fondée aussi sur la figure de l’homme, d’où il arrive qu’on ne veut la symétrie qu’en largeur, non en hauteur ni profondeur,” in Blaise Pascal and Léon Brunschvicg (ed.), Pensées de Blaise Pascal (1904), Vol. 1, 37-38.
Science quotes on:  |  Breadth (7)  |  Demand (76)  |  Depth (51)  |  Derive (33)  |  Face (108)  |  Form (314)  |  Horizontal (4)  |  Human (550)  |  Notion (59)  |  Symmetry (37)

The entire human body is disposed for a vertical posture.
Science quotes on:  |  Human Body (34)  |  Physiology (83)  |  Posture (7)

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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