To read is to travel without moving; to write is to make others travel.
A theory should not attempt to explain all the facts, because some of the facts are wrong.
My job is not to be easy on people.My job is to take these great people we have and to push them and make them even better.
In quantum mechanics, we have to abandon the idea that particles have definite properties before measurement.
她是一场风暴，不是那种你逃离的风暴，而是那种你追逐的风暴。
The most dangerous thing is to become complacent with past success.