I don't speak because I have the power to speak; I speak because I don't have the power to remain silent

To sing to the deaf, to talk with the dumb, and to dance for the blind are three foolish things.

The Master said, 'When I walk along with two others, they may serve me as my teachers. I will select their good qualities and follow them, their bad qualities and avoid them.'

Reviewing what you have learned and learning anew, you are fit to be a teacher.

Friends are known first in hardships.

A man must make his own arrows.