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.

化学的基本问题是化学键的性质。

The good life is not found in luxury, but in the freedom to choose our own path.

记忆是我们不断向自己讲述我们的故事的方式——并向别人讲述一个略有不同的版本。

"The only thing to do with good advice is to pass it on. It is never of any use to oneself."

写作是一种逃离世界的方式，也是一种拥抱世界的方式。