弦理论的美妙之处在于它提供了一个框架,使引力和量子力学可以和平共处。
The more you live, the more you learn. The more you learn, the more you realize how little you know.
你活得越久,学得越多。学得越多,就越意识到自己知道的多么少。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.