The inner nature of man is the province of Music.

Knowledge is recognizing what you know and what you don't.

Not to converse with a man worthy of conversation is to waste the man. To converse with a man not worthy of conversation is to waste words. The wise waste neither men nor words.

To be fond of learning is to draw close to wisdom. To practice with vigor is to draw close to benevolence. To know the sense of shame is to draw close to courage. He who knows these three things knows how to cultivate his own character. Knowing how to cultivate his own character, he knows how to govern other men. Knowing how to govern other men, he knows how to govern the world, its states, and its families.

To acknowledge our faults when we are blamed, is modesty; to discover them to one's friends in ingenuousness, is confidence; but to preach them to all the world, if one does not take care, is pride.

Knowing something is not as good as liking it. Liking something is not as good as rejoicing in it.

A scholar who loves comfort is not fit to be called a scholar.