If you improve or tinker with something long enough, eventually it will break or malfunction.

Every clarification breeds new questions.

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.

If your project doesn't work, look for the part that you didn't think was important.

A failure will not appear until a unit has passed final inspection.

Enough research will tend to support your conclusions.

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