(30) “模仿”（指模仿某些行为但却不解其意）使用的是固有程序，如镜像神经元系统。但被如此模仿的行为，其复杂性极其有限。参见Richard Byrne，“Imitation as Behaviour Parsing，”Philosophical Transactions of the Royal Society B 358，no.1431（2003）：529–36。
(31) 卡尔·波普尔，《猜想与反驳》（Conjectures and Refutations）。
(32) 马特·里德利（Matt Ridley）在《理性乐观派》（The Rational Optimist）中，强调了人口对社会发展速度所起的积极作用。但这从来都不是最大的原因：比如说，把古代雅典与当时世界其他地方做对比。
(33) Alfred, Lord Tennyson, "The Revenge”(1878).
(34) Norbert Wiener, "A Scientist Rebels," Atlantic Monthly, January 1947.
(35) Warren Weaver，“Recent Contributions to the Mathematical Theory of Communication，" in Claude Shannon and Warren Weaver，The Mathematical Theory of Communication（Urbana：University of Illinois Press，1949），8（emphasis in original）.香农1948年的论文在同一卷中再版。
(36) Matthew Arnold, Culture and Anarchy, ed. Jane Garnett(Oxford, UK: Oxford University Press, 2006).
(37) See, for example, Dennett's From Bacteria to Bach and Back: The Evolution of Minds(New York: W. W. Norton, 2017).
(38) 例如，定理证明器重现了怀特海和罗素的《数学原理》（Principia Mathematica）的大部分内容。
(39) Brenden M. Lake, Ruslan Salakhutdinov, and Joshua B. Tenenbaum, "Human-Level Concept Learning Through Probabilistic Program Induction," Science 350, no. 6266(2015):1332–38.
(40) A. Gopnik, T. Griffiths, and C. Lucas, "When Younger Learners Can Be Better(or at Least More Open-Minded)Than Older Ones," Current Directions in Psychological Science 24, no. 2(2015):87–92.
(41) A. Gopnik et al., "Changes in Cognitive Flexibility and Hypothesis Search Across Human Life History from Childhood to Adolescence to Adulthood," PNAS 114, no. 30(2017):7892–99.
(42) L. Schulz, "The Origins of Inquiry: Inductive Inference and Exploration in Early Childhood," Trends in Cognitive Sciences 16, no. 7(2012):382–89.
