A great man is hard on himself; a small man is hard on others.

He who knows all the answers has not been asked all the questions.

To become a leader, you must first become a human being

Music produces a kind of pleasure which human nature cannot do without.

Is virtue a thing remote? I wish to be virtuous, and lo! Virtue is at hand.

There are three friendships which are advantageous, and three which are injurious. Friendship with the upright; friendship with the sincere; and friendship with the man of much observation: these are advantageous. Friendship with the man of specious airs; friendship with the insinuatingly soft; and friendship with the glib-tongued: these are injurious.

I transmit but do not create. I place my trust in the teachings of antiquity.