"You have to put in the hours because there’s always something which you can improve."

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

Freedom of speech is the great bulwark of liberty; they prosper and die together.

如果我们说不同的语言，我们将感知到稍微不同的世界。

真相往往被隐藏，揭开它需要勇气。

成功就是做你想做的事，在你想做的时候，在你想做的地方，和你想在一起的人，尽情地做。