Quotes About Logic

I end with a word on the new symbols which I have employed. Most writers on logic strongly object to all symbols. ... I should advise the reader not to make up his mind on this point until he has well weighed two facts which nobody disputes, both separately and in connexion. First, logic is the only science which has made no progress since the revival of letters; secondly, logic is the only science which has produced no growth of symbols.

If such external influences are intrinsic to religion, then logic and scientific thought dictate that there must be a mechanism by which this influence is transmitted. A religious or spiritual belief that involves an invisible undetectable force that nonetheless influences human actions and behavior or that of the world itself produces a situation in which a believer has no choice but to have faith and abandon logic--or simply not care.

Grammar and logic free language from being at the mercy of the tone of voice. Grammar protects us against misunderstanding the sound of an uttered name; logic protects us against what we say have double meaning.

Kurt Godel's achievement in modern logic is singular and monumental - indeed it is more than a monument, it is a landmark which will remain visible far in space and time. ... The subject of logic has certainly completely changed its nature and possibilities with Godel's achievement.

But with man the case is otherwise, in that when logic leads to any humiliating conclusion, the sole effect is to discredit logic.

Clinging to any form of conservatism can be dangerous. Become too conservative and you are unprepared for surprises. You cannot depend on luck. Logic is blind and often knows only its own past. Logic is good for playing chess but is often too slow for the needs of survival.

Logic plus logic equals the illogical. Do you know what I mean?

Trust is an absurd phenomenon, logically absurd. That's why logic always says love is blind, although love has its own eyes, far more deep-going...still, to logic it is blind.

Nothing is text but what is spoken of in the Bible and meant there for person and place; the rest is application; which a discreet man may do well; but it is his scripture, not the Holy Ghost's. First, in your sermons use your logic, and then your rhetoric; rhetoric without logic is like a tree with leaves and blossoms, but no root.

We know that mathematicians care no more for logic than logicians for mathematics. The two eyes of science are mathematics and logic; the mathematical set puts out the logical eye, the logical set puts out the mathematical eye; each believing that it sees better with one eye than with two. Note that De Morgan, himself, only had sight with only one eye.

Logic cannot comprehend love; so much the worse for logic.

The best magic always results from ecstasies of logic.

All the Dachaus must remain standing. The Dachaus, the Belsens, the Buchenwalds, the Auschwitzes - all of them. They must remain standing because they are a monument to a moment in time when some men decided to turn the Earth into a graveyard. Into it they shoveled all of their reason, their logic, their knowledge,,then we become the gravediggers.

Logic is the art of going wrong with confidence.

Pure logic could never lead us to anything but tautologies; it can create nothing new; not from it alone can any science issue.

My sense of reality and logic is different from most people's.

People want to ignore what they can't understand. They're looking for logic at any cost.

Feeling insignificant because the universe is large has exactly the same logic as feeling inadequate for not being a cow.

I took biology in high school and didn't like it at all. It was focused on memorization. ... I didn't appreciate that biology also had principles and logic ... [rather than dealing with a] messy thing called life. It just wasn't organized, and I wanted to stick with the nice pristine sciences of chemistry and physics, where everything made sense. I wish I had learned sooner that biology could be fun as well.

Any explanation or logic that explains everything so easily has a hidden trap in it. I'm speaking from experience. Somebody once said if it's something a single book can explain, it's not worth having explained. What I mean is don't leap to any conclusions.

From lies to forgeries the step is not so long, and I have written technical essays on the logic of forgeries and on the influence of forgeries on history.

Nothing is so deceptive as human reasoning, - nothing so slippery and reversible as what we have decided to call 'logic.' The truest compass of life is spiritual instinct.

Hope is independent of the apparatus of logic.

Fear is the enemy of logic.

Our ability to turn off empathy for specific kinds of humans and then use faulty logic to justify our beliefs is messily sociopathic.

Right up till the 1980s, SF envisioned giant mainframe computers that ran everything remotely, that ingested huge amounts of information and regurgitated it in startling ways, and that behaved (or were programmed to behave) very much like human beings... Now we have 14-year-olds with more computing power on their desktops than existed in the entire world in 1960. But computers in fiction are still behaving in much the same way as they did in the Sixties. That's because in fiction [artificial intelligence] has to follow the laws of dramatic logic, just like human characters.

Mathematics and logic have been proved to be one; a fact from which it seems to follow that mathematics may successfully deal with non-quantitative problems in a much broader sense than was suspected to be possible.

Global warming, indeed much of environmentalism, has become a new religion. Like the old religions, environmentalism preaches much good sense, is well meaning, but has a worrying lack of logic at its core.

Every moment of living has its own logic, its own meaning.

The true Logic for this world is the Calculus of Probabilities, which takes account of the magnitude of the probability.

The heart knows no logic, and rarely corresponds with the brain.

Our efforts are not aimed at isolating Israel or de-legitimizing it; rather we want to gain legitimacy for the cause of the people of Palestine. We only aim to de-legitimize the settlement activities and the occupation and apartheid and the logic of ruthless force, and we believe that all the countries of the world stand with us in this regard.

Forever I shall be a stranger to myself. In psychology as in logic, there are truths but no truth.

There was no logic or any sense of purpose except that I knew I had to do something other than what I was doing, or I might not make it through this.

I'm a logic monster, if things don't make sense I gotta make sense of them.

Ordinary language is totally unsuited for expressing what physics really asserts, since the words of everyday life are not sufficiently abstract. Only mathematics and mathematical logic can say as little as the physicist means to say.

The difference between love and logic is that in the eyes of a lover, a toad can be a prince, whereas in the analysis of a logistician, the lover would have to prove that the toad was a prince, an enterprise destined to dull the shine of many a passion.

You can access that on many levels and the human spirit and the human mind responds to those themes because they recognise the veracity of them. That they are real things. Sometimes it even goes beyond logic, it's just a sense of something.

(He was) a fragile hero to whom we had an emotional attachment so strong and lasting that it defied logic.

Simplicity is all. Simple logic, simple arguments, simple visual images. If you can't reduce your argument to a few crisp words and phrases, there's something wrong with your argument. There's nothing long-winded about 'Liberté, égalité, fraternité'.

Let him who is not come to logic be plagued with continuous and everlasting filth

Impulse is, after all, the best linguist; its logic, if not conformable to Aristotle, cannot fail to be most convincing.

At the heart of all sales and marketing is the ability to create demand even in the absence of logic.

Nightmares exist outside of logic, and there's little fun to be had in explanations; they're antithetical to the poetry of fear.

To me, photography is the simultaneous recognition, in a fraction of a second, of the significance of an event as well as of a precise organization of forms which give that event its proper expression. And this organization, this precision, will always escape you, if you do not appreciate what a picture is, if you do not understand that the composition, the logic, the equilibrium of the surfaces and values are the only ways of giving meaning to all that is continuously appearing and vanishing before our very eyes.

Hunches are a kind of subterranean logic shorthand.

We should start being intolerant to those who are intolerant to us. This is not modern logic, this is not extreme, this is common sense.

In chess the most unbelievable thing for me is that it's a game for everybody: rich, poor, girl, boy, old, young. It's a fantastic game which can unite people and generations! It's a language which you'll find people "speak" in every country. If you reach a certain level you find a very rich world! Art, sport, logic, psychology, a battlefield, imagination, creativity not only in practical games but don't forget either how amazing a feeling it is to compose a study, for example (unfortunately that's not appreciated these days but it's a fantastic part of chess!).