统一自然界所有力的挑战是几十年来推动理论物理学发展的动力之一。
There is nothing to writing. All you do is sit down at a typewriter and bleed.
"The most profound truths are often found in the simplest moments."
The main task in life is simply this: to identify and separate matters so that I can say clearly to myself which are externals not under my control, and which have to do with the choices I actually control.
一个好的旅行者不知道他要去哪里。