I had long wondered," Lan said to Tam. "About the man who had given Rand that heron-marked blade. I wondered if he had truly earned it. Now I know." Lan raised his own sword in salute.
Robert JordanViolence harms the one who does it as much as the one who receives it. You could cut down a tree with an axe. The axe does violence to the tree, and escapes unharmed. Is that how you see it? Wood is soft compared to steel, but the sharp steel is dulled as it chops, and the sap of the tree will rust and pit it. The mighty axe does violence to the helpless tree, and is harmed by it. So it is with men, though the harm is in the spirit.
Robert Jordan