The price of freedom is the willingness to do sudden battle, anywhere, at any time, and with utter recklessness.

Collaboration is key to breakthroughs—no one does it alone.

As to the gods, I do not know whether they exist or not, or what they are like.

你越深入数学，就越意识到还有多少未知。

A building must be a celebration of life.

Liberty means responsibility. That is why most men dread it.