If you worried about falling off the bike, you'd never get on.

Objects have always been carried, sold, bartered, stolen, retrieved and lost. People have always given things to other people.

The laws of physics are the same everywhere in the universe.

The most necessary, the most important, the principal, the most essential thing for a musician is this: to know what he wants, what he can do, and what he ought to do.

作曲家的传记写在他的乐谱中，而不是在他的信件或日记里。

The most dangerous thing in the world is to try to leap a chasm in two jumps.

分子的语言是通用的，而我们才刚刚学会说它。