Oath of the four Grant children, first used in Ch. 2 : And Continues
The Ship that Flew (1939)
“When earth meets with fire and is dissolved by the keenness of it, it would drift about, whether it were dissolved in fire itself, or in some mass of air or water, until the parts of it meeting and again being united became earth once more; for it never could pass into any other kind. But when water is divided by fire or by air, it may be formed again and become one particle of fire and two of air: and the divisions of air may become for every particle broken up two particles of fire. And again when fire is caught in air or in waters or in earth, a little in a great bulk, moving amid a rushing body, and contending with it is vanquished and broken up, two particles of fire combine into one figure of air: and when air is vanquished and broken small, from two whole and one half particle one whole figure of water will be composed. Let us also reckon it once again thus: when any of the other kinds is intercepted in fire and is divided by it through the sharpness of its angles and its sides, if it forms into the shape of fire, it at once ceases from being divided…”
Section 57a, Tr. R. D. Archer-Hind, The Timaeus of Plato (1888) pp. 203-205. https://books.google.com/books?id=q2YMAAAAIAAJ&pg=PA203
Timaeus
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Plato 80
Classical Greek philosopher -427–-347 BCRelated quotes

“Into the the air, into the earth, into the fire, I am with you.”

Denis Papin, Letter, as quoted by Robert Stuart Meikleham, A Descriptive History of the Steam Engine (1824)

VII. On the Nature of the World and its Eternity.
On the Gods and the Cosmos
Kenneth Boulding (1986) "What Went Wrong with Economics?" in: The American Economist Vol 30 (Spring) pp. 7-8, as cited in: Deirdre McCloskey (2013) " What Boulding Said Went Wrong with Economics, A Quarter Century On http://www.deirdremccloskey.com/editorials/boulding.php"
1980s