The center of our galaxy is a fascinating place where extreme physics takes place, and it's a privilege to study it.

The best preparation for good work tomorrow is to do good work today.

I don't let negativity bring me down. I rise above it.

无知者是不自由的，正因和他对立的是一个陌生的世界。

现代世界是一个充满无尽干扰的地方，但真正的满足来自内心。