"Memory is the only paradise from which we cannot be expelled."

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

"Books are the windows to other lives."

The best performance improvement is the transition from the nonworking state to the working state.

Learning is not a matter of trial and error, but of insight.

Success is not about how much money you make, it's about the difference you make in people's lives.

最危险的监狱是我们为自己建造的那些。