Quotes About Logic

Among all the liberal arts, the first is logic, and specifically that part of logic which gives initial instruction about words. ... [T]he word "logic" has a broad meaning, and is not restricted exclusively to the science of argumentative reasoning. [It includes] Grammar [which] is "the science of speaking and writing correctly-the starting point of all liberal studies."

All logic texts are divided into two parts. In the first part, on deductible logic, the fallacies are explained; in the second part, on inductive logic, they are committed.

The nineteenth century was completely lacking in logic, it had cosmic terms and hopes, and aspirations, and discoveries, and ideals but it had no logic.

I am opposed to looking upon logic as a kind of game. ... One might think that it is a matter of choice or convention which logic one adopts. I disagree with this view.

There is a logic of colors, and it is with this alone, and not with the logic of the brain, that the painter should conform.

Logic is justly considered the basis of all other sciences, even if only for the reason that in every argument we employ concepts taken from the field of logic, and that ever correct inference proceeds in accordance with its laws.

Life is not logic, life is not philosophy. Life is a dance, a song, a celebration! It is more like love and less like logic.

Structure that really pays off is all based on emotion. I don't write down an elaborate plan. It's really done by feel. It's one area of my writing that I think I've got surer at as I've evolved. In my work you often get an abrupt shift in time, a jolt. But the emotional logic will take the reader on. I hope. I trust. After all, our memories do not work with any sequential logic.

Logic only tells us what's there; it can't really address what isn't. Even the most devoted empiricist must admit that we have no hope of understanding the universe. Some things are unknowable.

Mathematicians care no more for logic than logicians for mathematics.

I just use Logic, so I need to get more keyboards and gear. I need to get my Korg.

The conception of the necessary unit of all that is resolves itself into the poverty of the imagination, and a freer logic emancipates us from the straitwaistcoated benevolent institution, which idealism palms off as the totality of being.

When quite young I can remember I had no thought or wish of surpassing others. I was rather taken with a liking of little arts and bits of learning. My mother carefully fostered a liking for botany, giving me a small microscope and many books, which I yet have. Strange as it may seem, I now believe that botany and the natural system, by exercising discrimination of kinds, is the best of logical exercises. What I may do in logic is perhaps derived from that early attention to botany.

And yet when i finally drifted of in that barely conscious state where logic was absent and dreams encroached i could almost hear bone's voice. he was whispering that same promise he'd made to me months ago when our relationship started and i wondered if it was a sign - and if he'd really meant it. If you run from me i'll chase you. And i'll find you.

We have been snared in the coils of a spurious logic which insists that if we have found Him we need no more seek Him.

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.

Every Superstate has one iron rule: logic is an enemy and the truth is a menace.

What would mathematics have amounted to without the imagination of its devotees-its giants and their followers? There never was a discovery made without the urge of imagination-of imagination which broke the roadway through the forest in order that cold logic might follow.

The theoretician believes in logic and believes that he despises dreams, intuition, and poetry. He does not recognize that these three fairies have only disguised themselves in order to dazzle him.... He does not know that he owes his greatest discoveries to them.

The best defense against logic is ignorance.

Logic is the key to an all-inclusive spiritual well-being.

Logic is the foundation of the certainty of all the knowledge we acquire.

NASCAR logic isn't always logical.

We Americans claim to be a peace-loving people. We hate bloodshed; we are opposed to violence. Yet we go into spasms of joy over the possibility of projecting dynamite bombs from flying machines upon helpless citizens. We are ready to hang, electrocute, or lynch anyone, who, from economic necessity, will risk his own life in the attempt upon that of some industrial magnate. Yet our hearts swell with pride at the thought that America is becoming the most powerful nation on earth, and that she will eventually plant her iron foot on the necks of all other nations. Such is the logic of patriotism.

People who are unable to use their hands skillfully for all kinds of work, will not become good thinkers and will behave awkwardly in life. It is not the head alone, but the whole human being that is a logician. Activities demanding manual and bodily skill, such as knitting, leads to the enhancement of the faculty of judgment. This faculty is actually developed least of all by exercises in logic.

Logic is a large drawer, containing some useful instruments, and many more that are superfluous. A wise man will look into it for two purposes, to avail himself of those instruments that are really useful, and to admire the ingenuity with which those that are not so, are assorted and arranged.

Does fuzzy logic tickle?

Does the logic connect? What are the range of probably outcomes? You want to figure out what those probabilities are and ideally be the House. It's fine to gamble, as long as you're the House. Also, listen to critical feedback, particularly from friends. Generally they will be thinking it but they won't tell you.

Faith isn't about logic, son," Haddek said. "Perhaps that's your problem. You cannot 'disprove' the things you study, any more than we can prove to you that the Hero will save us. We simply must believe it, and accept the things Preservation has taught us.

A critic is a man who creates nothing and thereby feels qualified to judge the work of creative men. There is logic in this; he is unbiased, he hates all creative people equally.

I'm not involved in any Philadelphia-related game or situation. When people claim I'm going to have a "vendetta" against every other Eastern Conference team I don't understand the logic: I'm not the one doling out the punishment.

Relationships are treated like Dixie cups. They are the same. They are disposable. If it does not work, drop it, throw it away, get another. Committed bonds (including marriage) cannot last when this is the prevailing logic. Most of us are unclear about what to do to protect and strengthen caring bonds when our self-centered needs are not being met.

We have an even worse situation in Syria, where the United States' allies are actually supporting people who are violently opposed to the United States, who are dangerous, radical Islamist fanatics. I mean, where is the logic of that? When are we going to call the Saudis on the support of intolerant, bigoted, fanatical types of Islam? When are we going to call this ally?

I love you, and beneath all that logic, calculation, and superstition, I know you love me too.

There's always some kind of hidden logic.

Libraries, whether my own or shared with a greater reading public, have always seemed to me pleasantly mad places, and for as long as I can remember I've been seduced by their labyrinthine logic, which suggests that reason (if not art) rules over a cacophonous arrangement of books.

Managers who assume that higher profits drive better working conditions may have their logic backwards. Contrary to conventional wisdom, our research identified companies in virtually every industry that are profitable because they provide good jobs.

Both fact and logic seem to me to support the view that savings invested in privately owned economic tools of production amount to an act of charity. And further, I believe it to be - as a type - the greatest economic charity of all.

Because to me, there is no logic of any kind behind misogyny. Therefore, it’s funny, because it’s so completely random to me. It’s senseless.

There's something real in women's intuition. It's an accurate signpost for decision making, but it usually bumps up against man's logic. So we have to put ego aside and listen to them.

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

Fasting was good for the imagination but bad for logic.

A régime [Nazism] which invented a biological foreign policy was obviously acting against its own best interests. But at least it obeyed its own particular logic.

In other philosophies, my questions would get answered to some degree, but then I would have a follow-up question and there would be no answer. The logic would dead-end. In Scientology you can find answers for anything you could ever think to ask. These are not pushed off on you as, 'This is the answer, you have to believe in it.' In Scientology you discover for yourself what is true for you.

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.

I am out of step with present conditions. When the game is no longer played your way, it is only human to say the new approach is all wrong, bound to lead to trouble, and so on. On one point, however, I am clear. I will not abandon a previous approach whose logic I understand ( although I find it difficult to apply ) even though it may mean foregoing large, and apparently easy, profits to embrace an approach which I don't fully understand, have not practiced successfully, and which possibly could lead to substantial permanent loss of capital.

Politics are not a science based on logic; they are the capacity of always choosing at each instant, in constantly changing situations, the least harmful, the most useful.

Almost all thinking people agree that you should not have probability 1 (or 0) for any event, other than one demonstrable by logic, like 2 x 2 = 4.