Philosophy is an elegant thing, if anyone modestly meddles with it; but if they are conversant with it more than is becoming, it corrupts them.

There should be no element of slavery in learning. Enforced exercise does no harm to the body, but enforced learning will not stay in the mind. So avoid compulsion, and let your children's lessons take the form of play.

And among the other honours and rewards our young men can win for distinguished service in war and in other activities, will be more frequent opportunities to sleep with a woman; this will give us a pretext for ensuring that most of our children are born of that parent.

When there is an income tax, the just man will pay more and the unjust less on the same amount of income.

We ought to esteem it of the greatest importance that the fictions which children first hear should be adapted in the most perfect manner to the promotion of virtue.

Man is the plumeless genus of bipeds, birds are the plumed.

God is not the author of all things, but of good only.