训练一只鹰是一场对话，而不是独白。

热机的动力与实现它的工质无关；其量仅由最终实现热量转移的物体之间的温度决定。

译文：有道义的财物可以去谋取，没有道义的钱不能强求。赏析：君子爱财，取之有道。赚钱不可耻，但要走正道。那些来路不正的意外之财莫贪，人要是贪小便宜，终究会吃大亏的。

写作的行为是一种勇气的行为。

The key to successful investing is to have a long-term perspective.

"You’re not alone, don’t give up."

Writing is like sex. First you do it for love, then you do it for your friends, and then you do it for money.

There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second.