Silence is one of the hardest arguments to refute. - Josh Billings
Ignorance of the law excuses no man: Not that all men know the law, but because 'tis an excuse every man will plead, and no man can tell how to refute him. - John Selden
I write plays because writing dialogue is the only respectable way of contradicting yourself. I'm the kind of person who embarks on an endless leapfrog down the great moral issues. I put a position, rebut it, refute the rebuttal, and rebut the refutation. - Tom Stoppard
One truth doesn't refute another. Truth doesn't lie in the object, but in how we see it. - Michael J. Sullivan
Silence is an arguement hard to refute - Anonymous