界限定义了我们的身份。它们定义了什么是“我”，什么不是“我”。界限显示了我结束的地方和他人开始的地方，引导我拥有一种所有权感。
真理很纯粹，可决不简单。
True progress happens when we stop defending the status quo and start challenging it.
The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.
No matter how tough you are, golf will always find a way to humble you.
释义：人总是只看到眼前的利益，而看不见其中的危害；鱼总是只看见钓钩上的食物，而看不见钓钩。此句警示人们不要只看重眼前的利益，而忽视可能会带来的潜在的风险。
When you say 'yes' to others, make sure you are not saying 'no' to yourself.