最好的故事不仅仅是娱乐，它们在最后一页翻过之后还会长久地留在心中。

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.

在数学中，你不理解事物。你只是习惯了它们。

如果你想成为伟大的领导者，就必须善于倾听。