"The only limit to our realization of tomorrow is our doubts of today."

酸和碱是互补的；没有另一个，一个就无法存在。

在生命中寻找意义的努力是人类的主要动力。

The material has its own intelligence.

I don't want to live forever, but I do want to live while I'm alive.

我喜欢压力。我喜欢那些重要时刻。

Success is not final, failure is not fatal: It is the courage to continue that counts.