You can't use up creativity. The more you use, the more you have.

An expert is a person who has made all the mistakes that can be made in a very narrow field.

Philosophy is not a doctrine but an activity.

朗道学派不仅仅是一个物理学派，它是一个生活的学派。

译文：上天有好生之德，万物皆珍爱自己的性命。

生活就是受苦，生存就是在苦难中找到一些意义。