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Natural Quotes

“If men were wise they would see that the affection that God has implanted in us is amply sufficient, when not weakened by artificial aid, to ensure permanence of union; and if they would have more faith in this all would go well. To tie together by human law what God has tied together by passion, is about as wise as it would be to chain the moon to the earth lest the natural attraction existing between them should not be sufficient to prevent them flying asunder.”

“The effects of heat are subject to constant laws which cannot be discovered without the aid of mathematical analysis. The object of the theory is to demonstrate these laws; it reduces all physical researches on the propagation of heat, to problems of the integral calculus, whose elements are given by experiment. No subject has more extensive relations with the progress of industry and the natural sciences; for the action of heat is always present, it influences the processes of the arts, and occurs in all the phenomena of the universe.”

“Does history warrant the conclusion that religion is necessary to morality - that a natural ethic is too weak to withstand the savagery that lurks under civilization and emerges in our dreams, crimes and wars? ... There is no significant example in history, before our time, of a society successfully maintaining moral life without the aid of religion.”