What I hear, I forget. What I see, I remember. What I do, I understand.

Tsze-kung wished to dispense with the sacrifice of a sheep for the New Moon ceremony. The Master said, "You love the sheep; I love the ceremony.

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

Faced with what is right, to leave it undone shows a lack of courage.

The superior man understands what is right; the inferior man understands what will sell.

I hear and I forget. I see and I remember. I do and I understand.