I don’t like to be afraid. I like to be fearless.

失败是有趣的——它是进步的一部分。你永远不会从成功中学到东西，但你会从失败中学到东西。

For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.

The human being is the only animal that thinks about the future.

"The only true voyage of discovery, the only fountain of Eternal Youth, would be not to visit strange lands but to possess other eyes, to behold the universe through the eyes of another, of a hundred others, to behold the hundred universes that each of them beholds."

Life is really simple, but we insist on making it complicated.