容易得到的东西，是靠不住的；轻易许下的诺言，不值得信赖。
I became insane, with long intervals of horrible sanity.
The problem with socialism is that you eventually run out of other people's money.
The greatest reward in our work is knowing we’ve made a difference.
Art is my entire life.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
试图阻止知识前进是没有好处的。无知永远不比知识好。
"Love is a kind of pain. If you don’t feel pain, it’s not love."