Quotes About Logic

E quero aceitar minha liberdade sem pensar o que muito acham: que existir é coisa de doido, caso de loucura. Porque parece. Existir não é lógico.

And it irritated me beyond all measure that a thought so enormous and ludicrous should return when my logic had dismissed it.

A modern poet has characterized the personality of art and the impersonality of science as follows: Art is I: Science is We.

Indeed, proof that a given condition always precedes or accompanies a phenomenon does not warrant concluding with certainty that a given condition is the immediate cause of that phenomenon. It must still be established that when this condition is removed, the phenomen will no longer appear.

Language is a form of human reason, which has its internal logic of which man knows nothing.

Logic doesn't overcome pain.

Pesimista con la razón, optimista con la voluntad.

It is impossible to be a mathematician without being a poet in soul.

The way in which mathematicians and physicists and historians talk is quite different, and what a physicist means by physical intuition and what a mathematician means by beauty or elegance are things worth thinking about.

Philosophy is inexistent without reason. Weigh things as they are.

There is no reasoning someone out of a position he has not reasoned himself into.

Communist interpretation is never wrong. Logicians will object in vain that a theory which exempts itself from all refutations escapes from the order of truth. —RAYMOND ARON, L'OPIUM

post hoc, propter hoc

It is necessary to take what is common as our guide; however, though this logic is universal, the many live as if each individual has his own private wisdom.

So long as the processes of healing were not understood and man thought that the power to heal resided in substances and things outside of him, he logically sought for extrinsic means of healing, and a healing art was a logical development. The system of medicine, as we know it today, was a logical development out of the fallacy that healing power resides in extrinsic sources.

The year had a logic of its own as does every school year, every class of children.

By refraining from reducing multiplication to addition we are enabled through these axioms to banish continuity, which is so difficult to fix precisely, from the logical structure of geometry.

Or, we may use Cartesian co-ordinate systems from the outset:

Gary's seemingly random, circuitous method actually has an underlying logic. But this test-and-learn approach flies in the face of the more traditional method, the

The weight of the old world is stifling, and trying to shovel its weight off your life is tiring just to think about. The constant shuttling of opinions is tiring, and the shuffling of papers across desks, the chopping of logic and the trimming of attitudes. There must, somewhere, be a simpler, more violent world.

Occam's Razor shaves you closer.

And yet … he feels something, in his heart, and then he sits down and works out the logic of it, in his head. Then he says that the head part came first; and we believe him.

Intuition is reason in a hurry

But reason always cuts a poor figure beside sentiment the one being essentially restricted, like everything that is positive, while the other is infinite.