The truth is rarely pure and never simple.

Psychology must avoid all forms of mentalism.

作家不能仅仅是一个讲故事的人；他不能仅仅是一个教师；他不能仅仅是一个娱乐者。他必须是所有这些，甚至更多。

科学的美妙之处在于它让我们能够探索未知并揭开生命的奥秘。

Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.

I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.