除非在动笔前脑中已有画面，否则称不上艺术家。

My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.

The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

The real contest is always between what you've done and what you're capable of doing. You measure yourself against yourself and nobody else.

生活中唯一真正的失败是不尝试。