I suspect that the author of this post simply paraphrased Hal Abelson's introductory lecture to MIT's "Structure and Interpretation of Computer Programs" class.

I suspect that the author of this post simply paraphrased Hal Abelson's introductory lecture to MIT's "Structure and Interpretation of Computer Programs" class. https://www.youtube.com/watch?v=XYKRVNQ_MqE https://www.youtube.com/watch?v=XYKRVNQ_MqE