“Promise me you'll never forget me because if I thought you would, I'd never leave.”
“你能答应绝不忘记我吗?因为如果你会忘掉我的话,我就绝不会走开了。”
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
释义:失败了不要总陷入后悔中,不能错失机会。  
做出伟大工作的唯一方法就是热爱你所做的事。