The secret of happiness is to expand your interests as much as possible and to be as kind as possible to the people and things that interest you.

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

Art always has to resist something. If it no longer resists, it is no longer art.

种一棵树最好的时间是20年前，第二好的时间是现在。

Nature is to be followed, but only when it is refined by art.

Quality should never be compromised, not even for the sake of speed.