-a _long_ time for the result. For instance, the following example from SICP
-defines and demonstrates a recursive list append procedure:
+a while for the result. After all, when evaluating commands in the MCE you are
+running a program in a Scheme interpreter running inside another Scheme
+interpreter which is itself running on a Forth system that is implemented atop
+the Julia numerical computing environment. **That's three levels of
+abstraction more than a native Julia program experiences**, so some delay is to
+be expected!
+
+For instance, the following example from SICP defines and demonstrates a
+recursive list append procedure: