Science is not just about facts, but about understanding the underlying principles that govern those facts.
The child is not a passive recipient of knowledge but an active participant in the learning process.
儿童不是知识的被动接受者，而是学习过程的积极参与者。
我不相信幸福的结局，我相信真实的结局。
理解就是宽恕，即使当没有什么需要宽恕的时候。
数学家的模式，就像画家或诗人的模式一样，必须是美丽的。
The only way to understand another culture is to assume the frame of reference of that culture.