如果你需要一只援助之手，你可以在自己的任何一只手臂下找到;随着年龄的增长，你会发现你有两只手，一只用来帮助自己，另一只用来帮助别人。

Change is inevitable. Growth is optional.

"The universe is not only stranger than we imagine, it is stranger than we can imagine."

Every age has its massive moral blind spots. We might not see them, but our children will.

"I believe that as much as you take, you have to give back."