我是世界上最幸福的人。也许其他人以前说过这样的话，但没有一个说得那么有道理。我甚至比简还要快乐；她只是微笑，我是大笑。

科学的挑战不仅在于找到答案，还要理解其更深层次的含义。

Innovation is the ability to see change as an opportunity, not a threat.

Writing is a way of speaking without being interrupted.

The destiny of man is to unite, not to divide.

人类最后的自由是在任何特定环境下选择自己态度的能力。

You can't go back and change the beginning, but you can start where you are and change the ending.