The past is not for living in; it is a well of conclusions from which we draw in order to act.

社会结构的连续性取决于文化从一代到下一代的传递。

Human cognition is best understood as a hierarchy of information processing levels.

轧棉机的发明纯属偶然；那时我还很年轻，非常贫穷，对我来说从中实现一些价值是一个重要的目标。

伟大的设计应该解决问题，而不是制造问题。