Love is not enough. It has to be tended, like a fire.
爱是不够的，它需要被照料，像火一样。
The quest for a unified theory of physics is one of the greatest intellectual adventures of our time.
一旦你开始谈论如果你输了你会做什么，你就已经输了。
If the only prayer you said was 'Thank you', that would be enough.
The future of chemistry lies in developing sustainable methods that work with nature, not against it.
The most radical art is often the most subtle.