2004年9月13日，81岁的杨振宁在清华大学开始为本科生讲授普通物理。他说

The future of computing is going to be defined by human ingenuity, not just silicon.

The limits of the possible can only be defined by going beyond them into the impossible.

"Writing is a way of discovering what you didn’t know you knew."

I'm the No. 1 living and breathing rock star.

A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.

I never think about the past. I always look forward to the next challenge.

Every life is unique and deserves to be remembered.

Stolen bodies working stolen land. It was an engine that did not stop, its hungry boiler fed with blood.