在我的一生中，大自然的新景象让我像孩子一样欢喜。

We look at the world once, in childhood. The rest is memory.

不要把事实告诉不值得的人。

The beauty of mathematics lies in its simplicity and depth.

Home is not where you are born; home is where all your attempts to escape cease.

位卑者不怕攀登高山，贫困者勿需点缀虚幻的光环，朝圣者心中自有上帝，引导一路向前。