To think twice is quite enough.

The ideal teacher guides his students but does not pull them along; he urges them to go forward and does not suppress them; he opens the way but does not take them to the place.

The gentleman calls attention to the good points in others; he does not call attention to their defects. The small man does just the reverse of this.

A man who reviews the old so as to find out the new is qualified to teach others.

There are three things to beware of through life: when a man is young, let him beware of his appetites; when he is middle-aged, of his passions; and when old, of covetousness, especially.

A bit of fragrance always clings to the hand that gives roses. If you are generous, you will gain everything.

Isn't it a pleasure to study and practice what you have learned? Isn't it also great when friends visit from distant places? If one remains not annoyed when he is not understood by people around him, isn't he a sage?