Logical Contradiction Quotes

When somebody says that all statements are false, the obvious problem is that as an assertion it's self-defeating.

Anyone with sincere religious beliefs cannot say that all religions are true. That is so illogical it is pathetic. All religion cannot be true because some of them are so diametrically opposed to each other.

I know that two and two make four - and should be glad to prove it too if I could - though I must say if by any sort of process I could convert 2 and 2 into five it would give me much greater pleasure.

One plus one equals both.

In the ordinary, everyday understandings of the words involved, to say that someone survived death is to contradict yourself; while to assert that all of us live forever is to assert a manifest falsehood, the flat contrary of a universally known truth: namely, the truth that all human beings are mortal. For when, after some disaster, the 'dead' and the 'survivors' have both been listed, what logical space remains for a third category?

Business logic and musical logic are utterly incompatible.

When I run into a paradox I think either I'm a total horse's ass to have gotten to this point, or I'm fruitfully near the edge of my discipline. It adds excitement to life to wonder which it is.

That's some catch, that Catch-22," he observed. It's the best there is," Doc Daneeka agreed.

Rule A: Don't. Rule A1: Rule A doesn't exist. Rule A2: Do not discuss the existence or non-existence of Rules A, A1 or A2.

I agree that two times two makes four is an excellent thing; but if we are dispensing praise, then two times two makes five is sometimes a most charming little thing as well.

There's a paradox in every paradigm.

Go on, try weasel, try squirrel; it tastes like chicken, it tastes just like chicken! If it tastes just like chicken, why don't you gimme some damn chicken?

How does it happen that something that makes so much sense in the moonlight doesn't make any sense at all in the sunlight?

That can not possibly be, because it could never possibly be.

The evolution of sense is, in a sense, the evolution of nonsense.

We can know that the Christian God cannot exist. If he is all-powerful and all-good, as Christians maintain, there would not have been, for instance, the Holocaust. This is an inherent self-contradiction. So if Christians insist on having a God, they can do so, but if they have any respect for logic they'll have to redefine who he is.

For an answer which cannot be expressed the question too cannot be expressed. The riddle does not exist. If a question can be put at all, then it can also be answered.

It does not make sense. It cannot exist. It's impossible, and if it isn't impossible, it's irrelevant, and if it isn't either of those things, it's embarrassing.

One man's antinomy is another man's falsidical paradox, give or take a couple of thousand years.

I'll tell you one thing you can't do: you can't put your shoes on, then your socks on.

The principle of contradiction establishes merely the agreement of concepts, but does not itself produce concepts.

Whatever a person may pray for, that person prays for a miracle. Every prayer comes down to this - Almighty God, grant that two times two not equal four.

If you try to fail, and succeed, which have you done?

If truth doesn't exist, then it would be true that truth doesn't exist, and once again we arrive at truth. There is no alternative; truth must exist.