Quotes About Logic

All thinking is indeed Art. Where the logician draws the line, where the premises stop which are the result of cognition—where judgment begins, there Art begins. But more than this even the perception of the mind is judgment again, and consequently Art; and at last, even the perception by the senses as well.

he stressed that the main feature of science is economy of thought;

reasonable people have difficulty conceiving and understanding unreasonable behavior.

The ability to understand something before it's observed is at the heart of scientific thinking.

Those who criticize the usefulness of philosophy for science, Aristotle has noticed, are not doing science: they are doing philosophy.

Scientists are not immune from talking nonsense.

We often say that causes precede effects and yet, in the elementary grammar of things, there is no distinction between "cause" and "effect.

We often say that causes precede effects and yet, in the elementary grammar of things, there is no distinction between "cause" and "effect."* There

I approve designs not because I think I am more gifted or somebody who can see ahead three or four years from now, but just to make sure that the design is a logical, rational decision, taken after analyzing pros and cons.

An oracle must cross the moat of logic and reach the inner poet that resides, perhaps repressed but nonetheless alive, within all of us. The I Ching helps us tune into our feeling consciousness through imagery and metaphor, and this, we find, is the path of clarity, of both strength and tolerance, of gentle humor, and of love.

Science is the refusal to believe on the basis of hope.

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

It is hard for people to think clearly because their emotional needs keep getting in the way. The trick is to make thinking clearly an emotional need.

Seeing may be believing, but, in order to understand what you are seeing, logic is necessary.

Metaphor is thus imaginative rationality.

Freedom is the right to say two plus two make four. If granted, all else follows.

Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.

Vanity is the quicksand of reason.

Experience seems to most of us to lead to conclusions, but empiricism has sworn never to draw them.

Nonsense is good only because common sense is so limited.

The lover knows much more about absolute good and universal beauty than any logician or theologian, unless the latter, too, be lovers in disguise.

We take as given the idea of distinction and the idea of indication, and that one cannot make an indication without drawing a distinction. We take therefore the form of distinction for the form.

The phrase "domestic cat" is an oxymoron.

This is an age in which one cannot find common sense without a search warrant.