被视为行为系统的人类其实相当简单。我们行为表面上的复杂性很大程度上反映了我们所处环境的复杂性。
心灵的宁静是人生最大的财富。
"History is not the past but a map of the past, drawn from a particular point of view, to be useful to the modern traveller."
"In a world without God, we must create our own meaning, even if it is ultimately meaningless."