每件事都是一个学习的过程:每次跌倒,都是在教你下次如何站起来。
Everything is a learning process: any time you fall over, it's just teaching you to stand up the next time.
I don't want to make money, I want to make a difference.
The teacher must believe in the potential of his students.
Freedom is man's capacity to take a hand in his own development. It is our capacity to mold ourselves.