We tend to blame the physical media for most of our implementation difficulties; for the media are not "ours" in the way the ideas are, and our pride colors our judgement.
Fred BrooksThe management question, therefore, is not whether to build a pilot system and throw it away. You will do that. Hence plan to throw one away; you will, anyhow.
Fred BrooksProduct procedure...must securely protect the crown jewels, but, equally important, it must eschew building high fences around the garbage cans.
Fred BrooksThe hardest part of the software task is arriving at a complete and consistent specification, and much of the essence of building a program is in fact the debugging of the specification.
Fred Brooks