An important point though is that Heinlein is not suggesting that you have to be a professional chef, or programmer who can write a twitter mockup in a day in Haskell, or an accountant who is able to recite chapter and verse of GAAP.
Society needs people who specialize and are domain experts, but we need to know the basics of each area so that we don't starve, don't run out of money because we didn't know how much we were spending, etc. Knowing the basics also allows us to talk and reason in those areas. And to become domain experts if the need arises, it's much easier to start with basic knowledge than no knowledge at all.
Society needs people who specialize and are domain experts, but we need to know the basics of each area so that we don't starve, don't run out of money because we didn't know how much we were spending, etc. Knowing the basics also allows us to talk and reason in those areas. And to become domain experts if the need arises, it's much easier to start with basic knowledge than no knowledge at all.