Purposive behavior in animals and men.

是人类而非自然发起行动，但自然在很大程度上控制着结果。

Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.

We are all just walking each other home.

We are amusing ourselves to death.