Never underestimate the power of small improvements—they compound over time.

Everybody, all politicians on Left and Right, agree that meritocracy is a great thing, and we should all be trying to make our societies really, really meritocratic. In other words -- what is a meritocratic society? A meritocratic society is one in which, if you've got talent and energy and skill, you will get to the top, nothing should hold you back. It's a beautiful idea.

互联网的精髓是自由和分享。

一本好的图画书是艺术家与孩子之间的无声对话。