数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
The opera is a beautiful and irrational world. One could spend a lifetime listening and still not understand everything.
Don't be afraid of failure. Failure is the necessary path to success.
不要让他人意见的噪音淹没了你内心的声音。
I find beauty in the complexity of human emotions and relationships.
Coal is China's main energy source and will remain the cornerstone of China's energy security for a long time to come.
沉默可能是最响亮的尖叫。