自由最大的敌人是麻木的大多数。

The Milky Way’s black hole is our closest laboratory for studying extreme gravity.

最困难的挑战往往带来最大的转型机会。

It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.

写作是对时间侵蚀的抵抗。