To know, is to know that you know nothing. That is the meaning of true knowledge. When you say something, say what you know. When you don't know something, say you don't know. That is knowledge.

Better than the one who knows what is right is the one who loves what is right.

The whole end of speech is to be understood.

If I do not participate in the sacrifice, it is as if I did not sacrifice at all.

What you know, you know, what you don't know, you don't know. This is true wisdom.

Only after Winter comes do we know that the pine and the cypress are the last to fade.

Those who make virtue their profession are the ruin of virtue.