"The past is never dead. It's not even past."

The past shapes the present, and the present shapes the future.

Gravitational waves are a new way of observing the universe, allowing us to hear the cosmos.

There's nothing more American than a coal miner.

如果让我用一句话总结如何改变世界，我会说，努力工作，为那些真正激动人心的事物。

不要把行动与进步混为一谈。