The good life is not one immune to sadness, but one in which suffering contributes to our development.

The greatest weapon against stress is our ability to choose one thought over another.

一棵树的真正价值是用几十年衡量的，而不是美元。

我们在知识中失去的智慧在哪里？我们在信息中失去的知识在哪里？

做你自己，其他角色都已经有人扮演了。