My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.

Spend as much time crafting the subject line of an email as the message itself because the subject line is often the only thing people read.

The more we learn about the universe, the more we realize how much we have yet to discover.

当你认为你理解了一个问题时，你就停止思考它了。

我不害怕说出我的感受，因为这就是我。