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他所处的时代中，才能理解自己的经历并衡量自己的命运，只有意识到所有处于他这种境况的个体的机会，他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.
一本好书是通往想象世界的魔法之门。
战略不是详细的计划或指令程序；它是一个统一的主题，为个人或组织的行动和决策提供一致性和方向。
"The only limit to our realization of tomorrow will be our doubts of today."
The tyrant dies and his rule is over, the martyr dies and his rule begins.
The deepest theorems in mathematics often have the simplest statements.
Leadership is not about being in charge. It is about taking care of those in your charge.
The universe constantly surprises us, and that’s what makes science so exciting.