Russell Ackoff's long and distinguished career as the doyen of Design
and Systems Thinking was built around a collection of deceptively
simple-but often overlooked-principles and observations. In Differences
That Make a Difference-the last of his many books-Ackoff determined to
distill the wisdom of a lifetime into a "glossary" that would be easily
accessible to managers, employees, students, and academics alike. His
aim was to dissolve (not solve or resolve) some of the many disputes in
professional and private life that revolve around meaning and
(mis)understanding. For example, development and growth do not mean the
same thing. A cemetery or rubbish heap can grow without developing,
whereas a person continues to develop long after he or she has stopped
growing. Ackoff understood that getting to the bottom of differences
like this one could have far-reaching practical consequences for
improving our organizational health. In Differences That Make a
Difference, he has succeeded magnificently in creating what Charles
Handy in his Foreword calls "a manual for clear thinking". And if the
world ever needed clear thinking...