Very similar philosophies re building up abstractions, DSLs and DSL-enabling syntax (half of Thinking Forth is essentially proselyzing DSLs), very different phi

Very similar philosophies re building up abstractions, DSLs and DSL-enabling syntax (half of Thinking Forth is essentially proselyzing DSLs), very different philosophies re lowest level of abstraction accessible in the language and compound datatypes. I’d say that neither of those are superficial.