[sasmith]

Presumably the next step is to write Dwarf Fortress for this.

[mustpax]

My first CS course in college was Structure and Interpretation of Computer Programs. It was quite a thrill when we finally got our hand-written Scheme interpreter to run itself and give us a REPL prompt. Turtles all the way down.

[thwarted]

Imagine a Beowulf cluster of these (I know, there were no dwarves in Beowulf, but it's still mythical).