The comment chains where he answers clarifying questions are well worth reading as well. For an example of what he means with CAD/SIM in software engineering:

The comment chains where he answers clarifying questions are well worth reading as well. For an example of what he means with CAD/SIM in software engineering: 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-...