Umm… LISP is elegant and expressive—you can (and people routinely do) construct complicated environments including DSLs on top of it. But that doesn’t make it high-level—it only makes it a good base for high-level things.
But if you use “high-level” to mean “abstracted away from the hardware” then yes, it was, but that doesn’t have much to do with “writing out your thoughts”.
Umm… LISP is elegant and expressive—you can (and people routinely do) construct complicated environments including DSLs on top of it. But that doesn’t make it high-level—it only makes it a good base for high-level things.
But if you use “high-level” to mean “abstracted away from the hardware” then yes, it was, but that doesn’t have much to do with “writing out your thoughts”.