心理学必须建立在生活经验的事实基础上。
Innovation distinguishes between a leader and a follower.
产生好结果的人会自我感觉良好。
我学校里其他孩子都很蠢。不过我不该说他们蠢，尽管事实就是如此。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.