p, 125
The Structure of the Universe: An Introduction to Cosmology (1949)
“I had not thought of this regular decrease of gravity, namely that it is as the inverse square of the distance; this is a new and highly remarkable property of gravity.”
(1691) quoted in Popular Astronomy, Vol. 56 (1948), pp. 189–190.
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Christiaan Huygens 16
Dutch mathematician and natural philosopher 1629–1695Related quotes
Letter to Robert Hooke (15 February 1676)
Context: I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy.
“One impression I had was how zero zero gravity is.”
The Universe - Sex in Space (2008)
“Irony is jesting hidden behind gravity. Humor is gravity concealed behind the jest.”
Wit, Humor, and Shakespeare: Twelve essays (1876), p. 63.
"Loop Quantum Gravity," The New Humanists: Science at the Edge (2003)
Source: An Essay on The Principle of Population (First Edition 1798, unrevised), Chapter XIII, paragraph 2, lines 19-22