有时最小的东西占据了心中最大的空间。

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

The most important quality for a scientist is curiosity - the desire to understand how things work.

Suffering! We owe to it all that is good in us, all that gives value to life; we owe to it pity, we owe to it courage, we owe to it all the virtues.

"The power of words can change the world."