Good judgement comes from experience, and experience comes from bad judgement.

There is no single development, in either technology or management technique, which by itself promises even one order of magnitude improvement within a decade in productivity, in reliability, in simplicity.

Adding manpower to a late software project makes it later (Brook’s Law).

Le programmeur, comme le poète, manie des abstractions voisines de la pensée pure. Il construit des cathédrales dans les airs, à partir de l’air lui-même, par le pouvoir de son imagination.