The great philosophers are those who have made a difference in the way we think about the world and our place in it.

The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

I'm very shy, believe it or not. I'm very different from the person you see on stage.

解决复杂问题的关键是提出正确的因果问题。

生活是一段旅程，而爱让这段旅程变得有价值。

最有趣的艺术是让你思考的艺术。