Quotes About Validity

One can today easily demonstrate that there can be no valid derivation of a law of nature from any finite number of facts; but we still keep reading about scientific theories being proved from facts. Why this stubborn resistance to elementary logic?

The real point of the matter is that what we call a 'wrong datum' is one which is inconsistent with all other known data. It is our only criterion for right and wrong.

no human mind has created those equations directly. We have merely spent decades programming more powerful computers and they have devised and stored the equations, but, of course, we don't know if they are valid and have meaning. It depends entirely on how valid and meaningful the programming is in the first place.

Un encadenamiento de razonamientosválidos sólo puede llevar a la determinación de la verdad.

Întreaga ÅŸtiin?? se bazeaz? pe credinÅ£a în anumite premise ÅŸi în valabilitatea deducÅ£iei ÅŸi a inducÅ£iei.

Christianity, if false, is not important. If Christianity is true, however, it is of infinite importance. What it cannot be is moderately important.

Where an opinion is general, it is usually correct.

The ultimate umpire of all things in life is - fact.

All truths begin as hearsay, as far as I'm concerned.

It's an entire industry focusing on young male viewers that want action and violence. They sell us something that isn't valid. They're selling films like a product.

You can't simply redefine Jerusalem. The Palestinian claim is based on legality, on the international recognition that the situation created by the war in '67 is not valid.

I think this is a TRUE story.

Sometimes there's a reason for the hype.

I will repeat the following until I am hoarse: it is contagion that determines the fate of a theory in social science, not its validity.

More data means more information, but it also means more false information.

One single observation can invalidate a general statement derived from millennia of confirmatory sightings of millions of white swans. All you need is one single (and, I am told, quite ugly) black bird.*

One single observation can invalidate a general statement derived from millennia of confirmatory sightings of

You can test a given rule either directly, by looking at instances where it works, or indirectly, by focusing on where it does not work. As we saw earlier, disconfirming instances are far more powerful in establishing truth. Yet we tend to not be aware of this property.

Since one small observation can disprove a statement, while millions can hardly confirm it, disconfirmation is more rigorous than confirmation.

it is contagion that determines the fate of a theory in social science, not its validity.

Just because the law says it, that doesn't make it true." Yeah, well, just because the law says it, that doesn't make it false, either. It's only the law because a whole lot of people thought about it, and decided it made sense.

she likes that and I like it too because to/make a thing true all you've/got to do is believe

A truth presented by Satan himself is just as true as a truth stated by God.

Life is not to be taken seriously, as we are really temporary here. We are like a pre-paid card with limited validity. If we are lucky, we may last another 50 years. And 50 years is just 2,500 weekends. Do we really need to get so worked up? It's ok, bunk a few classes, goof up a few interviews, fall in love. We are people, not programmed devices.