Love requires not so much proofs as expressions of love. [ Jean Paul ]

Obstinacy and vehemency in opinion are the surest proofs of stupidity. [ Barton ]

Trust him with little who, without proofs, trusts you with everything, or,
When he has proved you, with nothing. [ Lavater ]

Trifles light as air are to the jealous confirmations strong as proofs of holy writ. [ William Shakespeare ]

Love requires not so much proofs, as expressions, of love. Love demands little else than the power to feel and to requite love. [ Richter ]

Assertion, unsupported by fact, is nugatory; surmise and general abuse, in however elegant language, ought not to pass for proofs. [ Junius ]

Obstinacy and heat in argument are surest proofs of folly. Is there anything so stubborn, obstinate, disdainful, contemplative, grave, or serious, as an ass? [ Montaigne ]

There is a silence, the child of love, which expresses everything, and proclaims more loudly than the tongue is able to do; there are movements that are involuntary proofs of what the soul feels. [ Alfieri ]

Mankind are creatures of books, as well as of other circumstances; and such they eternally remain, - proofs, that the race is a noble and believing race, and capable of whatever books can stimulate. [ Leigh Hunt ]

Grief or misfortune seems to be indispensable to the development of intelligence, energy, and virtue. The proofs to which the people are submitted, as with individuals, are necessary then to draw them from their lethargy, to disclose their character. [ Fearon ]