The only obligation which I have a right to assume, is to do at any time what I think right.
我有权承担的唯一义务，是随时去做自己认为正确的事。
— Henry David Thoreau · On the Duty of Civil Disobedience —
键盘照着敲一遍，更容易记住。
不用找输入框，直接敲键盘。