Friendship with the upright, with the truthful and with the well informed is beneficial. Friendship with those who flatter, with those who are meek and who compromise with principles, and with those who talk cleverly is harmful.

The requisites of government are that there be sufficiency of food, sufficiency of military equipment, and the confidence of the people in their ruler.

If there were an honorable way to get rich, I’d do it, even if it meant being a stooge standing around with a whip. But there isn’t an honorable way, so I just do what I like.

The determined scholar and the man of virtue will not seek to live at the expense of injuring their virtue. They will even sacrifice their lives to preserve their virtue complete.

I do not enlighten those who are not eager to learn, nor arouse those who are not anxious to give an explanation themselves. If I have presented one corner of the square and they cannot come back to me with the other three, I should not go over the points again.

Excess weakens the spirits.

The Master said, "To study, and then in a timely fashion to practice what you have learned - is this not satisfying? To have companions arrive from afar - is this not a joy? To remain unrecognized by others and yet remain free of resentment - is this not the mark of the gentleman?"