If a window in a building is broken and is left unrepaired, all the rest of the windows will soon be broken (…) one unrepaired broken window is a signal that no one cares, and so breaking more windows costs nothing (Wilson e Kelling, 1982).
Extract from The Pragmatic Programmer Copyright © 2000 Addison Wesley Longman, Inc.
http://www.pragprog.com/the-pragmatic-programmer/extracts/software-entropy
While software development is immune from almost all physical laws, entropy hits us hard. Entropy is a term from physics that refers to the amount of "disorder" in a system. Unfortunately, the laws of thermodynamics guarantee that the entropy in the universe tends toward a...