The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.

We don't compete with anyone but ourselves to be the best we can be.

工具变量的美妙之处在于它们让我们以新的视角看世界。

I only hope that we never lose sight of one thing - that it was all started by a mouse.

有时候你得先迈出信仰的一步，信任的部分会随后而来。

A sustainable world starts with sustainable choices.

I'm not going to change who I am just because people want to see something else.

Every person you meet knows an amazing lot about something you know virtually nothing about. Your job is to discover what it is， and it won’t be obvious.