You cannot have people in your organization who are pessimists. They take you to mediocrity.
There is nothing in the world that I loathe more than group activity, that communal bath where the hairy and slippery mix in a multiplication of mediocrity.
Low standards are a tactic that takes pressure off teachers unions by accepting mediocrity and failure for kids.
Indiscriminate pursuit of perfection infallibly leads to mediocrity.
The mediocrity with which Africa has been ruled is responsible for its underdevelopment.
Probability is a kind of penance, which God made, suitable, I presume to that state of mediocrity and probationership he has been pleased to place us in here; wherein, to check our over-confidence and presumption, we might, by every day's experience, be made sensible of our short-sightedness, and liableness to error.
Mediocrity makes the most of its native possessions.
In an age of militant mediocrity, an 'extremist' is anyone who takes a position.