The quest for a unified theory of physics is one of the greatest intellectual adventures of our time.

A story is not like a road to follow...it's more like a house. You go inside and stay there for a while, wandering back and forth and settling where you like and discovering how the room and corridors relate to each other, how the world outside is altered by being viewed from these windows.

我是你活着的原因，我是你生存的原因。

对付一个不自由的世界，唯一的方法就是变得如此绝对自由，以至于你的存在本身就是一种反抗。