A drunkard is unprofitable for any kind of good service.

If it is naturally in you to be a good orator, a notable orator you will be when you have acquired knowledge and practice.

Geometry will draw the soul toward truth and create the spirit of philosophy.

And isn't it a bad thing to be deceived about the truth, and a good thing to know what the truth is? For I assume that by knowing the truth you mean knowing things as they really are.

Each living creature is said to be alive and to be the same individual - as for example someone is said to be the same person from when he is a child until he comes to be an old man. And yet, if he's called the same, that's despite the fact that he's never made up from the same things, but is always being renewed, and losing what he had before, whether it's hair, or flesh, or bones, or blood, in fact the whole body.

There is no harm in repeating a good thing.

People regard the same things, some as just and others as unjust, - about these they dispute; and so there arise wars and fightings among them.