永远不要停止学习，因为世界从未停止变化。

The real competition is never rivals, but users' old habits.

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

The heart of another is a dark forest, always, no matter how close it has been to one's own.