The boundaries of our knowledge are the frontiers of our curiosity.
The measure of intelligence is the ability to change.
故事的力量在于它能够激发希望。
The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.
The love for all living creatures is the most noble attribute of man.
I have never been able to write a happy play. I can't. I can write a funny play, but not a happy play.
为明天做的最好准备就是今天做到最好。