Proof

I need proof of your unconditional love. Lend me some dough.

1591, Edmund Spenser, Prosopopoia: or, Mother Hubbard's Tale, later also published in William Michael Rossetti, Humorous Poems, But the false Fox most kindly played his part, For whatsoever mother-wit or art Could work he put in proof. No practice sly, No counterpoint of cunning policy, No reach, no breach, that might him profit bring. But he the same did to his purpose wring.

France I more praise and love; you are, my lord, Yourself for horsemanship much famed; and there You shall have many proofs to shew your skill.

A given quantity of the spirits was poured upon a quantity of gunpowder in a dish and set on fire. If at the end of the combustion, the gunpowder continued dry enough, it took fire and exploded; but if it had been wetted by the water in the spirits, the flame of the alcohol went out without setting the powder on fire. This was called the proof.

I'll have some proof.

It was a grand sentence of Emanuel Swedenborg, which would alone indicate the greatness of that man's perception, — "It is no proof of a man's understanding to be able to confirm whatever he pleases; but to be able to discern that what is true is true, and that what is false is false, this is the mark and character of intelligence."

Faith, faith is an island in the setting sun But proof, yes Proof is the bottom line for everyone

But the chaste damzell, that had never priefe / Of such malengine and fine forgerye, / Did easely beleeve her strong extremitye.

And these men scour the printed proof for error, blunder, and misspelling.

Till that Bellona's bridegroom, lapped in proof

a proof load; a proof charge

proof against harm

waterproof; bombproof

And opportunity I here have had / To try thee, ſift thee, and confeſs have found thee / Proof againſt all temptation as a rock / Of Adamant, and, as a Center, firm / To the utmoſt of meer man both wiſe and good, / Not more; […]

This was a good, ſtout proof article of faith, pronounced under an anathema, by the venerable fathers of this philoſophick ſynod.

quoted in 1818, Christopher Kelly, History of the French Revolution and of the Wars produced by that Memorable Event The French cavalry, in proof armour, repeatedly charged our squares, their cannon opening chasms; but the British infantry, though greatly diminished, were inflexible and impenetrable to the last.

60% proof liquor

dough proofing

yeast proofing