The great philosophers are those who have made a difference in the way we think about the world and our place in it.

你不会忘记那个曾是你最后希望的人的面孔。

We are not born for ourselves alone.

I believe that science has great potential to improve human life.

也许你可以等待。也许对你来说还有明天。也许对你来说有一千个明天，或者三千个，或者一万个，你有那么多时间可以沉浸其中，翻滚其中，让它像硬币一样从指间滑落。你有那么多时间可以浪费。但对有些人来说，只有今天。而事实是，你永远不知道。