One of the first businesses of a sensible man is to know when he is beaten, and to leave off fighting at once.

One of the first businesses of a sensible man is to know when he is beaten, and to leave off fighting at once.

明智的人首先要做的事情之一，就是知道自己什么时候被打败了，然后立即停止战斗。

-- Samuel Butler 塞缪尔巴特勒