I went looking for it, and it appears in a handful of places:
https://www.google.com/#hl=en&sclient=psy-ab&q=%22le...
But the sparseness of the hits leads me to think it's not a real quote, or it's been reworded -- something like that.
Finally found it here
I want to use this great quote to advertise a programming class I'm teaching. Can't find the original. Any ideas?