幸福不是在外面等着我们去寻找。它不在外面的原因是因为它在我们的内心。
每一颗种子都有改变世界的潜力。
Literature is the only homeland we can never lose.
"The most important thing is to never stop questioning."
SINCERITY. Use no hurtful deceit; think innocently and justly, and, if you speak, speak accordingly.
诚恳：不要恶意欺骗人，思想纯洁公正，讲话也是如此。
浅陋的人，不能和他谈论深奥的见解；愚蠢的人，不能和他谋划有智慧的事。井底之蛙，不能和它谈论东海的快乐。
The coal industry is the backbone of America.
The P versus NP problem is one of the most important problems in computer science.