The Ninety-Ninety Rule of Project Schedules - the first ninety percent of the task takes ninety percent of the time, and the last ten percent takes the other ninety percent.

First Rule of Acting: Whatever happens, look as if it were intended.

Enough research will tend to support your conclusions.

Every clarification breeds new questions.

Every solution breeds new problems.

Friends come and go but enemies accumulate.

Investment in reliability will increase until it exceeds the probable cause of errors, or until someone insists on getting some useful work done.