To know good and evil is not enough; one must also do them.
知识的最大敌人不是无知,而是知识的幻觉。
一个人只要愿意,就是自由的。
地理学是研究地球作为人类家园的科学。
世界上充满了神奇的事物,它们耐心地等待我们的感官变得更加敏锐。
预测未来的最好方法就是创造未来。
The moment you think you've understood a character completely is the moment you've lost them.