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 GoodkindHe put the box in Kahlan's lap. As she picked it up, she gave him the biggest smile he had ever seen. Before he even knew what he had done, he had leaned over and given Kahlan a quick kiss. Her eyes went wide, and she didn't kiss him back, but the feel of her lips shocked him into realizing what he had done. Oh. Sorry," he said. She laughed. "Forgiven.
Terry GoodkindWizard's Ninth Rule A contradiction can not exist in reality. Not in part, nor in whole.
Terry Goodkind