“The difference between mediocrity and excellence is often a matter of effort.”
“The difference between being mediocre and achieving excellence is you.”
“Enthusiasm spells the difference between mediocrity and accomplishment.”
“Mediocrity always attacks excellence”
“There you have the difference between greatness and mediocrity. It's not an uncommon disease. But it's nice for a mediocre man to know that greatness must be the loneliest state in the world.”
“Mediocrity takes many forms...excellence only one!”