No requirement of industry is so much neglected as operational definitions.

It is not necessary to change. Survival is not mandatory.

The aim of education should be to preserve and nurture the yearning for learning that a child is born with.

We should be guided by theory, not by numbers.

Management's job is to optimize the whole system.

Zero defects is a super highway going down the tube.

The most important measures are both unknown and unknowable.