最安全的做法是不违背良心。有了这个秘诀，我们可以享受生活，不害怕死亡。
The safest course is to do nothing against one's conscience.With this secret， we can enjoy life and have no fear from death.
教育最重要的成果是帮助学生成为独立思考者。
In one minute you can change your attitude and in that minute you can change your entire day.
道遵循自然规律，无为而治却能成就一切。
The deepest principle in human nature is the craving to be appreciated.
你最不满意的客户是你最大的学习来源。