“Undoubtedly, philosophy caused the Revolution. But what caused philosophy? Theological arrogance.”
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Joseph Joubert 253
French moralist and essayist 1754–1824Related quotes

Query 28 : Are not all Hypotheses erroneous in which Light is supposed to consist of Pression or Motion propagated through a fluid medium?
Opticks (1704)
Context: To make way for the regular and lasting Motions of the Planets and Comets, it's necessary to empty the Heavens of all Matter, except perhaps some very thin Vapours, Steams or Effluvia, arising from the Atmospheres of the Earth, Planets and Comets, and from such an exceedingly rare Æthereal Medium … A dense Fluid can be of no use for explaining the Phænomena of Nature, the Motions of the Planets and Comets being better explain'd without it. It serves only to disturb and retard the Motions of those great Bodies, and make the frame of Nature languish: And in the Pores of Bodies, it serves only to stop the vibrating Motions of their Parts, wherein their Heat and Activity consists. And as it is of no use, and hinders the Operations of Nature, and makes her languish, so there is no evidence for its Existence, and therefore it ought to be rejected. And if it be rejected, the Hypotheses that Light consists in Pression or Motion propagated through such a Medium, are rejected with it.
And for rejecting such a Medium, we have the authority of those the oldest and most celebrated philosophers of ancient Greece and Phoenicia, who made a vacuum and atoms and the gravity of atoms the first principles of their philosophy, tacitly attributing Gravity to some other Cause than dense Matter. Later Philosophers banish the Consideration of such a Cause out of natural Philosophy, feigning Hypotheses for explaining all things mechanically, and referring other Causes to Metaphysicks: Whereas the main Business of natural Philosophy is to argue from Phenomena without feigning Hypotheses, and to deduce Causes from Effects, till we come to the very first Cause, which certainly is not mechanical.

Original: (la) Quid est aliud de philosophia tractare, nisi verae religionis, qua summa et principalis omnium rerum causa, Deus, et humiliter colitur, et rationabiliter investigatur, regulas exponere? Conficitur inde, veram esse philosophiam veram religionem, conversimque veram religionem esse veram philosophiam.
De Divina Praedestinatione, ch. 1; translation from Kenelm Henry Digby Mores Catholici, vol. 8 (London: Booker & Dolman, 1837) p. 198.

As quoted in The Life and Writings of Thomas Jefferson : Including All of His Important Utterances on Public Questions (1900) by Samuel E. Forman, p. 429
Posthumous publications

On veganism
Source: As quoted in Plant Based News https://plantbasednews.org/culture/sport/world-champion-lethwei-fighter-dave-leduc-says-being-vegan-is-a-philosophy-not-a-diet/ (2nd February, 2021)

All we know of science or of religion comes from philosophy. It lies behind and above all other knowledge we have or use.
My Philosophy (1965) http://www.foundingchurchdc.org/dc/ref/philo/index.htm.