?I have never in my life learned anything from any man who agreed with me."
-Dudley Field Malone
?Silence is one of the hardest arguments to refute."
-Josh Billings
?The sounder your argument, the more satisfaction you get out of it."
-Edward Howe
?The fellow that agrees with everything you say is either a fool or he is getting ready to skin you."
-Kin Hubbard
?It is better to debate a question without settling it than to settle a question without debating it."
-Jeseph Joubert
?He who establishes his argument by noise and command shows that his reason is weak."
-Michel de Montaigne
?There is no conversation more boring than the one where everybody agrees.?
-Michel de Montaigne
?You have not converted a man because you have silenced him."
-John Morley
?Courage is the price that life exacts for granting peace."
-Amelia Earnhart
?Character cannot be developed in ease and quiet. Only through experience of trial and suffering can the soul be strengthened, ambition inspired, and success achieved."
-Helen Keller
?It's good to shut up sometimes."
-Marcel Marceau