Day 3: Your goodness must have some edge to it —else it is none. —-Ralph Waldo Emerson
你的善良必须有点锋芒——不然就等于零。—-拉尔夫·沃尔多·爱默生
1) edge: If you say that someone or something has an edge, you mean that they have a powerful quality. 锐气
2) else adv. 否则