Quotes By Denis Diderot
A thing is not proved just because no one has ever questioned it. What has never been gone into impartially has never been properly gone into. Hence scepticism is the first step toward truth. It must be applied generally, because it is the touchstone.
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Only passions, great passions, can elevate the soul to great things.
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The number of books will grow continually, and one can predict that a time will come when it will be almost as difficult to learn anything from books as from the direct study of the whole universe. It will be almost as convenient to search for some bit of truth concealed in nature as it will be to find it hidden away in an immense multitude of bound volumes.
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There is no moral precept that does not have something inconvenient about it.
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Watch out for the fellow who talks about putting things in order! Putting things in order always means getting other people under your control.
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