Turing attended Wittgenstein’s lectures on the philosophy of mathematics in Cambridge in 1939 and disagreed strongly with a line of argument that Wittgenstein was pursuing which wanted to allow contradictions to exist in mathematical systems....

It used to be said that God could create anything except what would be contrary to the laws of logic. The truth is that we could not say what an “illogical” world would look like.

For I consider brains far superior to money in every way. You may have noticed that if one has money without brains, he cannot use it to his advantage; but if one has brains without...

Eller plaget den ham, denne erkjennelsen av at en handling, et nederlag eller et øyeblikk av glede aldri utspiller seg så presist som et regnestykke.

There is room for words on subjects other than last words.

It is obvious that [leftists] are not cool-headed logicians systematically analyzing the foundations of knowledge. They are deeply involved emotionally in their attack on truth and reality.

There is no logic in logics except an illogical logic.

Insolence is not logic; epithets are the arguments of malice.

It is easy to understand that in the dreary middle ages the Aristotelian logic would be very acceptable to the controversial spirit of the schoolmen, which, in the absence of all real knowledge, spent its...

Dissociation of the mind into logic-tight compartments is by no means confined to the population of the asylum. It is a common, and perhaps inevitable, occurrence in the psychology of every human being. Our political...

I’m very depressed how in this country you can be told “That’s offensive” as though those two words constitute an argument.

Religion, like science, is only noteworthy when it emphasizes a matter of what is true rather than whose belief is greater or lesser or which deity works for whom. Sincere religion and tested science are...

There is no point in using the word ‘impossible’ to describe something that has clearly happened.

A drunk can’t follow a line of reasoning, even if it is a double white line.

This is play”). In these, the subject of discourse is the relationship between the speakers. It will be noted that the vast majority of both metalinguistic and metacommunicative messages remain implicit; and also that, especially...

Like Molière’s M. Jourdain, who spoke prose all his life without knowing it, mathematicians have been reasoning for at least two millennia without being aware of all the principles underlying what they were doing. The...

I hate those Socratic dialogues where everything gets drawn out at the pace of an excessively logical snail.

without any logic an emotional bond within light of soul is already united by universal law

There is a circularity here I do not doubt. I am defending the Bible by the Bible. Circularity of a kind is unavoidable when one seeks to defend an ultimate standard of truth, for one’s...

The past is behind us unless we fail to learn from it.

If thou really believe in one God,irrationality is subset of thou logic.

To rely solely on logic is in essence to operate within a structure of limited knowledge and understanding

What, then, should you do? With an excellent hand, you should bet: You lose nothing if your opponent folds, while giving yourself a good chance of winning a big pot if he calls. But with...

People who cannot put strings of sentences together in good order cannot think. An educational system that does not teach the technology of writing is preventing thought.

…atheism leaves no room for excuses…

It is always easy to be logical. It is almost impossible to be logical to the bitter end.

Causality is a pointless superstition. These days it would take more than one book to persuade anyone of that.

But that’s men all over … Poor dears, they can’t help it. They haven’t got logical minds.

It turned out I was pretty good in science. But again, because of the small budget, in science class we couldn’t afford to do experiments in order to prove theories. We just believed everything. Actually,...

I don’t believe in the Constitution because I’m American, I’m American because I believe in the Constitution.

I hold that belief in God is not merely as reasonable as other belief, or even a little or infinitely more probably true than other belief; I hold rather that unless you believe in God...

The man who cannot believe his senses, and the man who cannot believe anything else, are both insane, but their insanity is proved not by any error in their argument, but by the manifest mistake...

Physical laws are ruled by logic, and are ungovernable: so when the die comes to rest on its edge, it owes neither apology nor account.

To say $30 an hour is an unfair wage, I just can’t see the logic in that.

Time is logic is time is the law which governs the universe.

The expression e=mc2 is the ultimate statement in bounce per ounce.

Fire and water, logic and reason—those footholds of reality that you mortals hold so near and dear become like so much mist on the plains of the dreamscape.

A good judge is not one who is impartial, but one who has prejudice for good.

If God wants something from me, he would tell me. He wouldn’t leave someone else to do this, as if an infinite being were short on time. And he would certainly not leave fallible, sinful...

Annie clouded up. For a second, he thought she was going to erupt, and flinched. She saw that…and got control of herself with an visible effort. She took three deep breaths, each longer than the...

As hatred is defined as intense dislike, what is wrong with inciting intense dislike of a religion, if the activities or teachings of that religion are so outrageous, irrational or abusive of human rights that...

I assure you, my good Lestrade, that I have an excellent reason for everything that I do.

Some ideas are not born of logic and good sense. They are made of clouds and cobwebs. They sprout from nowhere and feed on excitement, sprinkled with adventure juice and the sweet flavor of the...

It is not at all coincidental that Darwinian psychology has the same difficulty explaining the unity and integration of human reasoning as Darwinian biology has explaining the unity and integration of irreducibly complex functions. Practical...

How often people speak of art and science as though they were two entirely different things, with no interconnection. An artist is emotional, they think, and uses only his intuition; he sees all at once...

There is something about poetry beyond prose logic, there is mystery in it, not to be explained but admired.

I can’t charge you 99 cents for a book called 99 Cents For Some Nonsense, because that would make sense. However, I have to charge you 99 cents, because it makes sense not to. So...

Logic in all its infinite potential, is the most dangerous of vices. For one can always find some form of logic to justify his action, and rest comfortably in the assurance, that what he did...

It is better to debate a question without settling it than to settle a question without debating it.

If I were a religious person, I would have been very freaking one; mixture of logic and lie.