Never tire to study. And to teach to others

Learning without thought is labor lost; thought without learning is perilous.

He with whom neither slander that gradually soaks into the mind, nor statements that startle like a wound in the flesh, are successful may be called intelligent indeed.

The general of a large army may be defeated, but you cannot defeat the determined mind of a peasant.

Study without reflection is a waste of time; reflection without study is dangerous.

Speak the truth, do not yield to anger; give, if thou art asked for little; by these three steps thou wilt go near the gods.

In speaking, it is best to be clear and say just enough to convey the meaning.