The essence of mathematics lies in its freedom.
The heart is an organ of fire.
世界是如此不可预测。事情突然发生,出乎意料。我们想要感觉我们能控制自己的存在。在某些方面我们是,在某些方面我们不是。
Don't be defined by what you didn't know or didn't do.
物理是思想的框架。 。。。追索到事情的本质,再从那里思考下去。