心理学的方法必须像自然科学的方法一样精确。
The method of psychology must be as exact as the methods of the natural sciences.
艺术不必有任何意义，它只需要对你有意义。
我希望读者能感受到某种令人惊讶的东西——不是“发生了什么”，而是事情发生的方式。
像煤炭开采这样的传统行业中的创新不仅是可能的——它是必不可少的。
The best way to avoid mistakes is to gain experience.
"If there's a book that you want to read, but it hasn't been written yet, then you must write it."