I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

科学不是寻找绝对真理，而是不断推动我们理解的边界。

人们在任何时候都能够实现他们的梦想。

Never ask a barber if you need a haircut.