The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory.

You don't write because you want to say something, you write because you have something to say.

数学和物理学之间的相互作用是宇宙的舞蹈，由自然法则编排。

成功的真正标准是你能从失败中重新站起来的次数。