The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently， we must be willing to change our belief system， let the past slip away， expand our sense of now， and dissolve the fear in our minds.

善于教导的人必须遇到善于学习的人，才能使教育的效果更大。

我们现代的头骨里装着一个石器时代的心智。

数学的乐趣在于旅程，而不仅仅是目的地。

当你最认为困难的时候，其实就是你最接近成功的时候。

Collaboration beats competition when the goal is to make a real difference.

The canvas is a battleground between control and chaos.