有时候,为了得到你想要的东西,你得有点调皮。
I'm not superstitious, but I am a little stitious.
翻译:犯错不可怕,勇敢改正、迅速向善才可贵,及时止损比固执己见更能减少损失。
A good mathematician is lazy, but in a constructive way.