An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.
Laurence J. PeterWe hate to have some people give us advice because we know how badly they need it themselves.
Laurence J. PeterIn a hierarchy every employee tends to rise to his level of incompetence ... in time every post tends to be occupied by an employee who is incompetent to carry out its duties ... Work is accomplished by those employees who have not yet reached their level of incompetence.
Laurence J. PeterNobody can be perfect unless he admits his faults, but if he has faults how can he be perfect?
Laurence J. Peter