让儿童参与工作，能增强他们对生活环境的责任感。
尊重自然法则，顺应自然。
Every day I discover more and more beautiful things. It’s enough to drive one mad. I have such a desire to do everything.
The ladder of success is best climbed by stepping on the rungs of opportunity.
历史的进程是自由的缓慢行进。
我不害怕死亡，我害怕不去尝试。
I don't think about age. I think about spirit. I think about how I feel inside.