I don’t let failure define me, I let it refine me.

创新是取胜的唯一途径。

In the old world, you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world, that inverts.

最伟大的实验始于一个简单的问题。

The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.