This is...self-knowled ge-for a man to know what he knows, and what he does not know.

By far the greatest and most admirable form of wisdom is that needed to plan and beautify cities and human communities.

I know what I do not know.

Wisdom is knowing when you don't know

The soul, like the body, accepts by practice whatever habit one wishes it to contact.

What is happening to our young people? They disrespect their elders, they disobey their parents. They ignore the law. They riot in the streets inflamed with wild notions. Their morals are decaying. What is to become of them?

It seems that God took away the minds of poets that they might better express His.