森林的真正价值不能仅用板材英尺来衡量。

I don't need a title to be a legend.

"Every saint has a past, and every sinner has a future."

A mathematician's work is never truly finished; there is always more to explore.

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

预测未来的最好方式就是创造未来。