You do not find knowledge in a dictionary, only information.
Hard work and best efforts will not by themselves dig us out of the pit.
We are here to make another world.
Without theory, there are no questions.
No requirement of industry is so much neglected as operational definitions.
The principles and methods for improvement are the same for service as for manufacturing. The actual application differs, of course, from one product to another, and from one type of service to another.