"In every character, there is a piece of me, and in me, there is a piece of every character I play."

The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

创新是我们所做一切的核心；没有它，我们就不会有今天的成就。

The most important thing in science is not to be afraid to ask questions.

"The only limit to our realization of tomorrow is our doubts of today."

Freedom would be not to choose between black and white but to abjure such prescribed choices.