不要让成功冲昏头脑，也不要让失败打击内心。
Technology is not just a tool. It can give learners a voice that they may not have had before.
I earnestly wish to point out in what true dignity and human happiness consists.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Green development is not just a responsibility but also an opportunity.
You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.