最大的风险是不冒任何风险。在一个快速变化的世界里,唯一注定失败的策略是不冒险。
挑战是伪装的机遇;拥抱它们,变得更强大。
The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.