科学的进步不是一条直线，而是一个螺旋，总是在前进，又总是回到起点。

"A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise."

Simplicity is the ultimate sophistication.

Success is not the key to happiness. Happiness is the key to success.

在快速变化的市场中，只有不断学习和适应，才能保持竞争力。

弦理论是二十一世纪物理学的一部分，偶然落入了二十世纪。

挑战是伪装的机会，勇敢地拥抱它们。