Not to mend one's ways when one has erred is to err indeed.

A wise man seeks by music to strengthen his soul: the thoughtless one uses it to stifle his fears.

Gentlemen cherish worth; the vulgar cherish dirt. Gentlemen trust in justice; the vulgar trust in favor.

Only the supremely wise and the ignorant do not alter.

Virtue is not left to stand alone. He who practices it will have neighbors.

When anger rises, think of the consequences.

The Master said, “What a worthy man was Yan Hui! Living in a narrow alley, subsisting upon meager bits of rice and water—other people could not have borne such hardship, and yet it never spoiled Hui’s joy. What a worthy man was Hui!” (Analects 6.11)