Abandon Quote by Leonardo da Vinci

If a fact does not modify your logic on being known, either you don't believe the fact or it is not a fact

— Raheel Farooq

When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is…

— Claude Bernard

“Backing up your argument with unnamed sources, rumored facts and hearsay only backs your view and your professional reputation into a corner. Argue the…

— Loren Weisman

One of the most untruthful things possible, you know, is a collection of facts, because they can be made to appear so many different…

— Karl A. Menninger

“Just remember: other people’s opinions are simply that—other people’s opinions. They are not fact, and they are certainly not “the truth.” It is your…

— Margie Warrell

Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

— Thomas Sowell

A fact is like a sack which won't stand up if it's empty. In order that it may stand up, one has to put…

— Luigi Pirandello

“You can have your own opinions but not your own facts”

— Talib Kweli

I cannot give any scientist of any age better advice than this: the intensity of a conviction that a hypothesis is true has no…

— Peter Medawar

“It is a common weakness that when concrete facts do not match up with our preconceived theories, we prefer to keep our theories and…

— Raphael Gasson

“Consider that when you state only what you can prove and differentiate your opinions from facts, it allows you to stand on a stronger…

— Loren Weisman

It's a very complicated issue about when is a fact not a fact in the context of opinions.

— Daniel Okrent