每一个人生下来都拥有一项资产，它比其他所有的资产价值都高，就是他最后的一口气。

The only way to do great work is to love what you do.

There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.

我们必须记住，(地球)这是一颗非常小的恒星，可能还有一些更大、更重要的恒星，可能是非常虚拟和快乐的（更适合人类居住？）。

数学不是沿着一条清理得很好的高速公路小心行进，而是进入一个陌生的荒野的旅程，探险者常常会迷路。