To think twice is quite enough.

Future generation is the most important thing.

When you meet someone better than yourself, turn your thoughts to becoming his equal. When you meet someone not as good as you are, look within and examine your own self.

If your desire is for good, the people will be good.

A person of character takes as much trouble to discover what is right as the lesser men take to discover what will pay.

The scholar does not consider gold and jade to be precious treasures, but loyalty and good faith.

Teachers open the door ... you enter by yourself.