能源需求与环境保护之间的平衡是我们这个时代的挑战。
The balance between energy needs and environmental protection is the challenge of our time.
The best way to learn mathematics is to do mathematics.
质量就是在无人监督时依然把事情做对。
Music can heal the soul, I hope my songs can bring people strength.
我不后悔我做过的事，我后悔的是有机会时没有做的事。