The Second Rule is that the greatest harm can result from the best intentions. It sounds a paradox, but kindness and good intentions can be an insidious path to destruction. Sometimes doing what seems right is wrong, and can cause harm. The only counter to it is knowledge, wisdom, forethought, and understanding the First Rule. Even then, that is not always enough.
Terry GoodkindSometimes, it is necessary to step beyond what you have known and to reach for something more.
Terry GoodkindHis face set in grim determination, Richard slogged ahead, his fingers reaching up to touch the tooth under his shirt. Loneliness, deeper than he had never known, sagged his shoulders. All his friends were lost to him. He knew now that his life was not his own. It belonged to his duty, to his task. He was the Seeker. Nothing more. Nothing less. Not his own man, but a pawn to be used by others. A tool, same as his sword, to help others, that they might have the life he had only glimpsed for a twinkling. He was no different from the dark things in the boundary. A bringer of death.
Terry Goodkind