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——是个人只有将自己置于自己的时代中，才能理解自己的经历并衡量自己的命运，只有意识到自己处境中所有个体的机会，才能知道自己的生活机会。
The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.
Sustainable development requires balancing economic growth with environmental protection.
政治制度的力量在于其适应不断变化的环境并吸收新思想和实践的能力。
技术没有捷径，只有不断积累和突破。
在战争中，第一个牺牲的是真相。