灵魂是旅行者，而身体是它的行李箱。

环境中的微小变化可以导致行为的巨大改变。

Self-education is, I firmly believe, the only kind of education there is.

A melody can stay with you forever.

Consciousness is like a river—you can never step into the same stream of thought twice.

实现明天的唯一限制就是我们今天的怀疑。