Beauty of style and harmony and grace and good rhythm depend on simplicity - I mean the true simplicity of a rightly and nobly ordered mind and character, not that other simplicity which is only a euphemism for folly.

Perfect wisdom has four parts: Wisdom, the principle of doing things aright. Justice, the principle of doing things equally in public and private. Fortitude, the principle of not fleeing danger, but meeting it. Temperance, the principle of subduing desires and living moderately.

Writing is the geometry of the soul.

No man should bring children into the world who is unwilling to persevere to the end in their nature and education.

Rhetoric is the art of ruling the minds of men.

Education in music is most sovereign because more than anything else rhythm and harmony find their way to the innermost soul and take strongest hold upon it

I really do not know, Socrates, how to express what I mean. For somehow or other our arguments, on whatever ground we rest them, seem to turn round and walk away from us.