Global Nerdy summarizes the major Laws of Software Development. Yes, Greg, Brooks is there.
(Brooks, for the nonnerdy among you, is Fred Brooks, who wrote (in 1975!) The Mythical Man Month, one of the seminal texts on software development. In it, he formalized his eponymous law: Adding manpower to a late software project makes it later. It is counterintuitive, disturbing to management, and absolutely true.)