英雄与恶棍之间的界限往往比我们想象的更薄。

Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.

We are not afraid to take risks, but we do so intelligently.

Knowledge has value only insofar as it contributes to the liberation of humanity.