The key is to keep improving, keep fighting, keep believing.

Positive emotions are not trivial luxuries, but instead may be critical necessities for optimal functioning.

"The best stories are the ones that make you think, that stay with you long after you've finished reading them."

I like to hire people that I've seen in action. I often hire people that were on the opposing side of a deal that I respect.

The purpose of advertising is to sell. The purpose of art is to express.

Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.

只有一种真正的罪过，那就是说服自己次好的东西不仅仅是次好的。