The decisions of the poor are often heartbreakingly rational.

每一本书都是一次旅程，每一次旅程都是一本书。

"The greatest glory in living lies not in never falling, but in rising every time we fall."

The challenge is to make the invisible visible.

当我们的知识之圆扩大之时，我们所面临的未知的圆周也一样。

Your time is limited， so don’t waste it living someone else’s life.