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。
I don’t need a reason to be happy.
过去从未死去，它甚至不是过去。
Walls define space, but openings connect it to the world.
The most important thing in mathematics is to ask the right questions.
创新不是单一事件，而是一个过程。