Adding manpower to a late software project makes it later

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

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

But I will argue that knowing complete product requirements up front is a quite rare exception, not the norm.

Process improvement is most valuable in raising the floor of a community's practice.

It is very difficult to make a vigorous, plausible, and job-risking defense of an estimate that is derived by no quantitative method, supported by little data, and certified chiefly by the hunches of the managers

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.