More software projects have gone awry for lack of calendar time than for all other causes combined.

Nine people can't make a baby in a month.

System debugging has always been a graveyard-shift occupation, like astronomy.

I have never seen an experienced programmer who routinely made detailed flow charts before beginning to write programs.

Scientists build to learn; Engineers learn to build.

The 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.

The hardest single part of building a software system is deciding precisely what to build.