""I refuse to prove that I exist," says God, "for proof denies faith, and without faith, I am nothing." "Oh," says man…"

"PROOF, n. Evidence having a shade more of plausibility than of unlikelihood. The testimony of two credible witnesses …"

"A very great deal more truth can become known than can be proven."

"The being and existence of the thing itself, is what I call the original truth. A credible man vouching his knowledge…"

"You cannot demonstrate an emotion or prove an aspiration."

"For when one's proofs are aptly chosen, Four are as valid as four dozen."

"Prove all things; hold fast that which is good."

"quod gratis asseritur, gratis negatur."

"If you enjoy watching birds, you stand in good company. There are, in the estimate of the National Survey on Recreati…"

"Birds become more and more fascinating, not less, the more you watch them."