我不会继续敲那扇不为我打开的老门。我要创造自己的门，然后走进去。
I'm not going to keep on knocking that old door that doesn't open for me. I'm going to create my own door and walk through that.
无限小在自然中的作用是无限大的。
The pursuit of knowledge in computer science is a journey through the landscape of logic and creativity.
生活中最好的东西是免费的。
The universe is not only stranger than we imagine, it is stranger than we can imagine.