It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

Truth, like gold, is to be obtained not by its growth, but by washing away from it all that is not gold.

我们都有自己应对世界的方式。

I'm not going to swim for anybody else. I'm swimming for me.

组合问题是泛心论最困难的方面。