Prefer diligence before idleness, unless you esteem rust above brightness.

Be kind, for everyone is having a hard battle.

When the tyrant has disposed of foreign enemies by conquest...and there is nothing to fear from them, then he is always stirring up some war

There's a victory and defeat-the first and best of victories, the lowest and worst of defeats-which each man gains or sustains at the hands not of another, but of himself.

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.

And may we not say, Adeimantus, that the most gifted minds, when they are ill- educated, become the worst?

You cannot conceive the many without the one.