Quote by Fermat

I have discovered a truly marvelous proof of this, which however the margin is not large enough to contain.

— Pierre de Fermat

“It doesn’t prove anything very much except that the awesome splendor of the universe is much easier to deal with if you think of…

— Terry Pratchett

“We can only find room for a few citations and illustrations in proof of this statement.”

— Kersey Graves

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

— Émile Gaboriau

“For the very fact that my knowledge is increasing little by little is the most certain argument for its imperfection.”

— René Descartes

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

— Michael Card

“The very best proof that something can be done is the fact that others have already done it.”

— Brian Tracy

“It is not what we know, but what we can prove.”

— Arthur Conan Doyle

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

— Rainbow Rowell

“Great results can thus be achieved with small forces.”

— Tu Mu

“The world, no matter how big, is often smaller than we realize.”

— Jennifer L. Armentrout

“You don't always need proof to know something.”

— Patti Callahan Henry