The superior man is modest in his speech, but exceeds in his actions. Confucius
The conversational overachiever is someone whose grasp exceeds his reach. This is possible but not attractive. Fran Lebowitz
While I am interested both in economics and in philosophy, the union of my interests in the two fields far exceeds their intersection. Amartya Sen
He that exceeds his commission must answer for it at his own cost. Italian Proverb
Don't talk too much-your ignorance exceeds your knowledge. Spanish Proverb
The attempt exceeds the ability of one, not of a multitude. Efik Proverb