The more you know who you are, the less you let things upset you.

The best teacher in life is experience.

A building must respect its neighbors.

I don't believe in luck. I believe in effort.

The search for a theory of everything is one of the most exciting and challenging quests in modern physics.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

创新就是做别人没做过的事情，或是别人做过没做成的事情。