The real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.
人类心智是一套信息处理机器,由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。