In my opinion, the best purpose of life and the happiest result of life is that the more you learn, the better.
3. Politeness is a language. Its rules and practices are mainly to observe and learn the manners of those educated people.
4. Teaching must start from the learners' existing experience.
5. The genius of human beings is just a Mars. To make it burn into a raging flame, it is only to learn!
6, learn to learn, is a very happy person.