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

I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.

语言是理解高级心理过程的关键。