The greatest weapon against stress is our ability to choose one thought over another.

The beauty of mathematics lies in its ability to describe the world in a language that is universal.

我们都受困于自己的记忆，过去是一个我们永远无法逃脱的监狱。

I was so much older then, I'm younger than that now.

我们必须超越国界思考，因为森林不认地图上的线条。