I'm not perfect, but I'm trying every day to be better than I was yesterday.

"The truth is rarely pure and never simple."

关键不是消除恐惧，而是控制它。

The brave may not live forever, but the cautious do not live at all.

善于灭火的人,不会迎着烟雾去扑;善于防备水灾的人,不会在水流湍急的地方去防护。

The glory of the heavens is infinite to us.

I'm the reason your watch won't tock.

Collaboration across disciplines is essential for solving the most challenging problems in science.

可持续性不是成本，而是对我们未来的投资。