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I have hardly ever known a mathematician who was capable of reasoning.

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Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind.

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The people have always some champion whom they set over them and nurse into greatness...This and no other is the root from which a tyrant springs; when he first appears he is a protector.

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There are three arts which are concerned with all things: one which uses, another which makes, and a third which imitates them.

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The soul of man is immortal and imperishable.

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You cannot conceive the many without the one.

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The greatest penalty of evildoing - namely, to grow into the likeness of bad men.

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You are young, my son, and, as the years go by, time will change and even reverse many of your present opinions. Refrain therefore awhile from setting yourself up as a judge of the highest matters.

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Have I inadvertently said some evil thing?

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[When asked what was the proper time for supper] If you are a rich man, whenever you please; and if you are a poor man, whenever you can.

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