所有发生过一次的事物都不会再发生。但是所有发生过两次的事物必定会第三次发生。
If you aren't in over your head, how do you know how tall you are?
Pour yourself a drink, put on some lipstick, and pull yourself together.
"你越是试图理解真相，就越少知道。"
试图在不激发学生学习欲望的情况下进行教学的老师，就像在冷铁上敲打。