Reality is always richer than any idea we can have of it.
The best mining leaders are those who can see opportunities where others see only risks.
数学研究是具体与抽象之间不断的对话。
短语‘享有自由和正义 for all’代表了正义应人人可及的理念,然而事实并非如此。
There is nothing in the world so irresistibly contagious as laughter and good humor.