"Experience is simply the name we give our mistakes."

快乐的最好方法是感恩。

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.

人生而自由，却无处不在地受着枷锁。

好奇心推动科学前进，但智慧必须指导其应用。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.