In a followup comment (starting with "That is an excellent question, and I’m pondering … The examples I gave were examples of the kind of math/engineering I was

In a followup comment (starting with "That is an excellent question, and I’m pondering … The examples I gave were examples of the kind of math/engineering I was thinking of.") Alan describes a bit more what he means: https://www.quora.com/How-does-one-get-as-close-as-possible-to-mastering-software-engineering/answer/Alan-Kay-11?comment_id=217804529&comment_type=2 https://www.quora.com/How-does-one-get-as-close-as-possible-... The entire comment chain is interesting to get some insight into how he's thinking about Engineering.