Mathematics is not a spectator sport; to understand it, one must engage with it actively.
预测未来的最好方法就是去创造它。
The poet’s mission is to represent the unrepresented.
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.