Conceptual integrity is the most important consideration in system design.
Scientists build to learn; Engineers learn to build.
The bearing of a child takes nine months, no matter how many women are assigned.
The Waterfall Model is wrong and harmful; we must outgrow it.
The fundamental problem with program maintenance is that fixing a defect has a substantial (20-50 percent) chance of introducing another. So the whole process is two steps forward and one step back.
Einstein repeatedly argued that there must be simplified explanations of nature, because God is not capricious or arbitrary. No such faith comforts the software engineer.