A man has not every thing to do, but something; and because he cannot do every thing, it is not necessary that he should do something wrong.
一个人不必做所有事，但总有一些事该做；不能做尽一切，并不意味着非得做错事。
— 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。