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Denis Diderot Quotes

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Impenetrable in their dissimulation, cruel in their vengeance, tenacious in their purposes, unscrupulous as to their methods, animated by profound and hidden hatred for the tyranny of man - it is as though there exists among them an ever-present conspiracy toward domination, a sort of alliance like that subsisting among the priests of every country.
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In order to shake a hypothesis, it is sometimes not necessary to do anything more than push it as far as it will go.

Instinct guides the animal better than the man. In the animal it is pure, in man it is led astray by his reason and intelligence.

Isn't it better to have men be ungrateful, than to miss a chance to do good?
[Helping Other People]

It has been said that love robs those who have it of their wit, and gives it to those who have none.
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It is not human nature we should accuse but the despicable conventions that pervert it.

It is said that desire is a product of the will, but the converse is in fact true: will is a product of desire.

It is the man who is cool and collected, who is master of his countenance, his voice, his actions, his gestures, of every part, who can work upon others at his pleasure.

It is very important not to mistake hemlock for parsley, but to believe or not believe in God is not important at all.

Justice is the first virtue of those who command, and stops the complaints of those who obey.
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Man was born to live with his fellow human beings. Separate him, isolate him, his character will go bad, a thousand ridiculous affects will invade his heart, extravagant thoughts will germinate in his brain, like thorns in an uncultivated land.
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Man will never be free until the last king is strangled with the entrails of the last priest.

Morals are in all countries the result of legislation and government; they are not African or Asian or European: they are good or bad.

My ideas are my whores.

No man has received from nature the right to command his fellow human beings.

One declaims endlessly against the passions; one imputes all of man's suffering to them. One forgets that they are also the source of all his pleasures.

Only a very bad theologian would confuse the certainty that follows revelation with the truths that are revealed. They are entirely different things.
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Only passions, great passions, can elevate the soul to great things.

Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined; and for this reason, creative geniuses are not common.

Patriotism is an ephemeral motive that scarcely ever outlasts the particular threat to society that aroused it.

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