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

Successful software always gets changed.

A design style is defined by a set of microdecisions. A clear style reflects a consistent set. A clear style may not be a good style; a muddled one never is.

The magic of myth and legend has come true in our time. One types the correct incantation on a keyboard, and a display screen comes to life, showing things that never were nor could be.... The computer resembles the magic of legend in this respect, too. If one character, one pause, of the incantation is not strictly in proper form, the magic doesn't work. Human beings are not accustomed to being perfect, and few areas of human activity demand it. Adjusting to the requirement for perfection is, I think, the most difficult part of learning to program.

A scientist builds in order to learn; an engineer learns in order to build.

The bearing of a child takes nine months, no matter how many women are assigned.

Men and months are interchangeable commodities only when a task can be partitioned among many workers with no communication among them.