We build our computer (systems) the way we build our cities: over time, without a plan, on top of ruins
Ellen UllmanThe corollary of constant change is ignorance. This is not often talked about: we computer experts barely know what we're doing. We're good at fussing and figuring out. We function well in a sea of unknowns. Our experience has only prepared us to deal with confusion. A programmer who denies this is probably lying, or else is densely unaware of himself.
Ellen Ullman