Laurence J. Peter Quotes
A man doesn't know what he knows until he knows what he doesn't know.
Citations
Peter, Laurence J. Peter's Plan: A Proposal for Survival. William Morrow, 1975.
Related Quotes
This seemingly abstruse philosophical statement actually found its way into one of the major political debates of the 21st Century when the Secretary of Defense was defending the management of the Iraq War and the interpretation of intelligence. See {586062}.
Laurence Johnston Peter was a Canadian educator and "hierarchiologist" who is best known to the general public for the formulation of the Peter principle.