我不是天使，我是恶魔。

旅行改变你。随着你的移动，你的记忆、你的世界观会在你的脑海中碰撞、摩擦、磨砺。你永远无法像出发前那样回家。

I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

我认为冒险和不害怕失败很重要。