The only limit to our realization of tomorrow will be our doubts of today.

译文：知识只有到实际运用的时候才会后悔自己当初读得太少了，事情如果没有亲身经历就不知道其中的艰难。赏析：年少时，我们不知道读书的意义，等到出生社会以后才明白读书的好处。人生很多事情，看似简单，但当我们真正地去做的时候，才发现并非易事。

我们要做长期主义者，不被短期利益诱惑。

A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world.

世界上充满了显而易见却无人注意的事物。

"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."