Ifs Quote by Emil Artin

Many of the proofs in mathematics are very long and intricate. Others, though not long, are very ingeniously constructed.

— Edward Charles Titchmarsh

Without computers we will be stuck only proving theorems that have short proofs.

— Kenneth Appel

Proof is boring. Proof is tiresome. Proof is an irrelevance. People would far rather be handed an easy lie than search for a difficult…

— Joe Abercrombie

I mean the word proof not in the sense of the lawyers, who set two half proofs equal to a whole one, but in…

— Carl Friedrich Gauss

It is the facts that matter, not the proofs. Physics can progress without the proofs, but we can't go on without the facts ...…

— Richard P. Feynman

A problem is often half-solved when it is clearly stated.

— Dorothea Brande

This is how proofiness works. The assertion is more important than the evidence itself.

— David Corn

I believe that proving is not a natural activity for mathematicians.

— Rene Thom

Only professional mathematicians learn anything from proofs. Other people learn from explanations.

— Ralph P. Boas, Jr

Proofs exist only in mathematics and logic, not in science.

— Satoshi Kanazawa

I confess that reading proofs is a pleasure. It stimulates and inspires me.

— Zane Grey

In the choice between changing ones mind and proving there's no need to do so, most people get busy on the proof.

— John Kenneth Galbraith