Ambition is like love, impatient both of delays and rivals.

Believe only what you yourself test and judge to be true.

As you walk and eat and travel, be where you are. Otherwise you will miss most of your life.

A fool who recognises his own ignorance is thereby in fact a wise man, but a fool who considers himself wise - that is what one really calls a fool.

Know what you do not know.

If we can look upon our work not for self-benefit,but as a means to benefit society,we will be practicing appreciation and patience in our daily lives.

If a viper lives in your room and you wish to have a peaceful sleep, you must first chase it out.