如果你担心从自行车上摔下来，你就永远不会骑上去。
If you worried about falling off the bike, you'd never get on.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
我曾经走在街上就像个明星……我希望人们能痴迷于自己可以变得多么伟大。
人工智能不仅仅是技术，它是关于解决现实世界的问题。
我在华尔街作为物理学家学到的最重要的一课是，市场不是物理学。
The future belongs to those who believe in the beauty of their dreams.