儿童的一切教育都必须遵循一个原则，即帮助孩子身心自然的发展。

Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.

技术决策要平衡前瞻性与实用性。