Quote by Brian Tracy

The very best proof that something can be done is that someone has already done it.

— Bertrand Russell

“Proof is better than said.”

— Jennifer Lim

“...a statement from you is more convincing than all the proofs in the world.”

— Émile Gaboriau

“I shouldn't need proof, but proof can be very reassuring.”

— Rainbow Rowell

“Proof seduces them. One of the greatest pleasures of the human race is thinking.”

— Bertolt Brecht

“Faced with the choice between changing one's mind and proving that there is no need to do so, almost everybody gets busy on the…

— John Kenneth Galbraith

“There is no proof great enough to prevent doubt. Ir you base your belief on proof, sooner or later you will sink!”

— Michael Card

“it is unmistakable; it does not need other proofs to back it up; it is self-evident and attests to its own truth.”

— John W. Loftus

“The proof of your ability to do great things lies on your power to think great things.”

— Zinny Ekechukwu

“I don’t think it’s possible to prove what others may be thinking.”

— Fumio Sasaki

“...people always manage to 'prove' what they want to believe; they'd be just as well off if they tried to prove the opposite.”

— Amin Maalouf

“For those who want to believe, no proof is ever required. For those who refuse to believe, no proof is ever enough.”

— Sherrilyn Kenyon