The speed of learning is now the only sustainable competitive advantage in business.

Editing is the final rewrite of the film.

追求数学知识是一段永无止境的旅程；总有更多的东西等待发现和理解。

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

We die containing a richness of lovers and tribes, tastes we have swallowed, bodies we have plunged into and swum up as if rivers of wisdom, characters we have climbed into as if trees, fears we have hidden in as if caves.