不需要很多才能生活幸福。
Not what we have, but what we enjoy, constitutes our abundance.
The thing about smart people is that they seem like crazy people to dumb people.
The aim of education should be to teach us rather how to think, than what to think—rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.
To understand behavior, we must look at its purpose in the context of survival and adaptation.
我们将有一天会明白，死永远不能够夺去我们的灵魂所获得的东西，因为她所获得的，和她自己是一体。