Jean Chretien Quotes

Persuasion is clearly a sort of demonstration, since we are most fully persuaded when we consider a thing to have been demonstrated.

Rhetoric is cheap, evidence comes more dearly.

A proof tells us where to concentrate our doubts.

A statement is persuasive and credible either because it is directly self-evident or because it appears to be proved from other statements that are so.

Logic is the technique by which we add conviction to truth.

Argument is conclusive, but it does not remove doubt, so that the mind may rest in the sure knowledge of the truth, unless it finds it by the method of experiment.

Whenever I write something, I always want to make sure that what I write is defensible.

The facts are on our side.

Any fact is better established by two or three good testimonies than by a thousand arguments.

Good argument is intended to persuade another.

I mean the word proof not in the sense of the lawyers, who set two half proofs equal to a whole one, but in the sense of a mathematician, where half proof = 0, and it is demanded for proof that every doubt becomes impossible.

We must reinforce argument with results.

The truth is always the strongest argument.

Proof rather than argument.

In my opinion, it helps enormously to know why something is true, rather than being told it is true, for why should you believe me? Never believe anything on the authority of a single person but seek confirmation — and reason is the best confirmation

The proof of a theory is in its reasoning, not in its sponsorship. The proof of a theory is in its reasoning, not in its sponsorship.

If something comes on the radio or in print, I don't think there are any facts to it at all until someone shows some proof.

Proof is the product that you put on the field.

Logic is pointless.

A thing that nobody believes cannot be proved too often.

Even things that are true can be proved.

That which needs to be proved cannot be worth much.

Reasoning draws a conclusion, but does not make the conclusion certain, unless the mind discovers it by the path of experience.

Euclid taught me that without assumptions there is no proof. Therefore, in any argument, examine the assumptions.

You've got to get as literal as you can get to convince people sometimes that you can do something.