The difference between a moral man and a man of honor is that the latter regrets a discreditable act even when it has worked.
数学中的合作是必不可少的;思想的交流导致了任何单一思维都无法独自实现的突破。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.
I'm not interested in playing the hero. I'm interested in playing the human.