Who said “Behind every argument is someone's ignorance.”?

“I had a lovers quarrel with the world.”

“Arguments out of a pretty mouth are unanswerable.”

“The aim of an argument or discussion should not be victory, but progress.”

“When you argue with your inferiors, you convince them of only one thing: they are as clever as you.”

“There is no arguing with Johnson: for if his pistol misses fire, he knocks you down with the butt end of it.”

“Experience should teach us to be most on our guard to protect liberty when the Government's purposes are beneficent. Men born to freedom are naturally alert to repel invasion of their liberty by evil minded rulers. The greatest dangers to liberty lurk in insidious encroachment by men of zeal well meaning but without understanding.”

“Most of the things worth doing in the world had been declared impossible before they were done.”

“Men long for an afterlife in which there apparently is nothing to do but delight in heaven's wonders.”

“The right to be alone -- the most comprehensive of rights, and the right most valued by civilized man.”

“The greatest dangers to liberty lurk in insidious encroachment by men of zeal -- well-meaning but without understanding.”