一流智力的测试是同时在大脑中持有两种相反的想法，并且仍然保持运作能力。
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.
You cannot swim for new horizons until you have courage to lose sight of the shore.
The difference between good and great is in the details.
你越深入数学，就越能意识到一切是如何相互关联的。
当我们和他人交谈时，要特别留意，因为这时正是人家对我们“评价”的时候。