March 02, 2015 at 11:17AM
"Science deals in truth, practice deals with approximations." #readingToday

One way to simplify thought is to use simplified models, approximations to the true underlying state of affairs. Science deals in truth, practice deals with approximations. Practitioners don't need truth: they need results relatively quickly that, although inaccurate, are "good enough"for the purpose to which they will be applied.

Design of Everyday Things Revised, Don Norman´╗┐