A wise man said: before you speak， let your words pass through three gates. At the first gate， ask yourself， "Is it true？" At the second gate， ask "Is it necessary？" At the third gate， ask， "Is it kind？"

The heart of the educator must be a living flame, a fire that can ignite the souls of the young.

心灵就是一切。你想什么，就会成为什么。