你不可能永远快乐，但你可以永远勇敢。

"The story is told through the light and shadow."

The market is efficient enough that most investors will not outperform it.

I don't sing for the critics. I sing for the fans.

In a state, one man's liberty ends where another's begins.

我喜欢挑战某些人。这正是我在做的，而我也从不会失败。

Every scientific discovery should be measured by its contribution to human welfare.

乌尔姆的城市格言，爱因斯坦出生于此地