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Who said: “Nature does nothing in vain when less will serve; for Nature is pleased with simplicity and affects not the pomp of superfluous causes.”
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Aether Quotes (5 quotes)

For nature is a perpetuall circulatory worker, generating fluids out of solids, and solids out of fluids, fixed things out of volatile, & volatile out of fixed, subtile out of gross, & gross out of subtile, Some things to ascend & make the upper terrestriall juices, Rivers and the Atmosphere; & by consequence others to descend for a Requitall to the former. And as the Earth, so perhaps may the Sun imbibe this spirit copiously to conserve his Shineing, & keep the Planets from recedeing further from him. And they that will, may also suppose, that this Spirit affords or carryes with it thither the solary fewell & materiall Principle of Light; And that the vast aethereall Spaces between us, & the stars are for a sufficient repository for this food of the Sunn and Planets.
Letter to Oldenburg (7 Dec 1675). In H. W. Turnbull (ed.), The Correspondence of Isaac Newton, 1661-1675 (1959), Vol. 1, 366.
Science quotes on:  |  Atmosphere (41)  |  Earth (238)  |  Fuel (15)  |  Light (112)  |  Planet (77)  |  River (32)  |  Sun (109)

I use the word 'attraction' here in a general sense for any endeavor whatever of bodies to approach one another, whether that endeavor occurs as a result of the action of the bodies either drawn toward one other or acting on one another by means of spirits emitted or whether it arises from the action of aether or of air or of any medium whatsoever-whether corporeal or incorporeal-in any way impelling toward one another the bodies floating therein. I use the word 'impulse' in the same general sense, considering in this treatise not the species of forces and their physical qualities but their quantities and mathematical proportions, as I have explained in the definitions.
The Principia: Mathematical Principles of Natural Philosophy (1687), 3rd edition (1726), trans. I. B. Cohen and Anne Whitman (1999), Book I, Section II, Scholium, 588.
Science quotes on:  |  Attraction (19)  |  Definition (82)  |  Impulse (12)  |  Proportion (23)  |  Spirit (52)

In the most modern theories of physics probability seems to have replaced aether as 'the nominative of the verb "to undulate"'.
Messenger Lectures (1934), New Pathways in Science (1935), 110.
Science quotes on:  |  Probability (54)

There is no space without aether, and no aether which does not occupy space.
Messenger Lectures (1934), New Pathways in Science (1935), 39.
Science quotes on:  |  Space (64)

[1.] And first I suppose that there is diffused through all places an aethereal substance capable of contraction & dilatation, strongly elastick, & in a word, much like air in all respects, but far more subtile.
2. I suppose this aether pervades all gross bodies, but yet so as to stand rarer in their pores then in free spaces, & so much ye rarer as their pores are less ...
3. I suppose ye rarer aether within bodies & ye denser without them, not to be terminated in a mathematical superficies, but to grow gradually into one another.
Letter to Robert Boyle (28 Feb 1678/9). In H. W. Turnbull (ed.), The Correspondence of Isaac Newton, 1676-1687 (1960), Vol. 2, 289.
Science quotes on:  |  Air (84)


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