The best way to learn mathematics is to do mathematics.
The greatest happiness is to transform one’s feelings into action.
"The truth is rarely pure and never simple."
"I’m a very positive thinker, and I think that is what helps me the most in difficult moments."
通往低碳未来的道路需要多种解决方案和方法。
"最好的摄影是那种你不会注意到的。"
True happiness comes from inner satisfaction.