"What is teaching but the art of planting and nurturing power?" Lea replied. "Mortals prattle on about lonely impulses of delight and the gift of knowledge, and think that teaching is a trade like metalsmithing or healing or telling lies on television. It is not. It is the dissemination of power unto a new generation and nothing less. For her, as for you, lessons demand real risk in order to attain their true rewards."