Logic is the mirror of thought.
A good detective knows that every answer leads to another question.
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines of the establishment.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
这种想象力的第一个成果——以及体现它的社会科学的第一个教训——是个人只有将自己定位在他的时代中,才能理解自己的经历并衡量自己的命运,只有意识到他所在环境中所有个体的机会,他才能知道自己的生活机会。
每一个个体都很重要,每一个个体都有自己的角色,每一个个体都能带来改变。