Never frown, even when you are sad, because you never know who is falling in love with your smile.
縱然傷心，也不要愁眉不展，因為你不知是誰會愛上你的笑容。
我們都是自己時代的俘虜。
"The price of greatness is responsibility."
科學(xué)不僅是理性的學(xué)科，也是浪漫和激情的學(xué)科。
I’m not a patient person. I want things done now.
Every tree planted is a step toward healing the planet, but real change requires systemic action.
書籍是最安靜、最恒久的朋友；它們是最易接近、最睿智的顧問，也是最耐心的老師。