The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

Never stop asking, “How can we do this better?”

儿童具有秩序感。

I don't have time to hate people who hate me, because I'm too busy loving people who love me.

我不是老师，我是学生。

In the depth of winter, I finally learned that within me there lay an invincible summer.