Who said “It is the dull man who is always sure, and the sure man who is always dull.”?

“If you do know that here is one hand, we'll grant you all the rest.”

“In this world nothing can be said to be certain, except death and taxes.”

“The best lack all conviction, while the worst are full of passionate intensity.”

“Ah, what a dusty answer gets the soul when hot for certainties in this our life!”

“I am certain of nothing but the holiness of the heart's affections, and the truth of imagination.”

“The lunatic fringe wags the underdog.”

“Historian -- an unsuccessful novelist.”

“Remorse — Regret that one waited so long to do it.”

“Conscience is a mother-in-law whose visit never ends.”

“Love is the delusion that one woman differs from another.”

“What men value in this world is not rights but privileges.”