解决一个数学问题就是揭开宇宙拼图的一块。

I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.

我认为我们在亚马逊有一种独特的文化，这种文化鼓励失败。我们在亚马逊有一种独特的文化，这种文化鼓励长期思考。