Quotes about Logic

Science is not wisdom.

Communism is the final logic of the dehumanization of man.

In a like manner, as soon as we know the meaning of being and the meaning of nonbeing, we know that a thing cannot be and not be at one and the same time, and under the same formal consideration.

Being is the soul of every concept, of every judgment and of every reasoning.

The mathematical method is disinterested in the efficient cause and the final cause or the goodness of a thing and it should not be so disinterested.

A form of reason that in some way wished to strip itself of beauty would be diminished; it would be a blinded reason.

The scientific imagination always restrains itself within the limits of probability.

It is impossible to reason without arriving at a Supreme Being.

The duty of rhetoric is to deal with such matters as we deliberate upon without arts or systems to guide us, in the hearing of persons who cannot take in at a glance a complicated argument or follow a long chain of reasoning.

One cannot really argue with a mathematical theorem.

If I create from the heart, nearly everything works; if from the head, almost nothing.

In order to live in accord with nature, it is necessary to know what nature is; and to this end a threefold division of philosophy is made—into Physics, dealing with the universe and its laws, the problems of divine government and teleology; Logic, which trains the mind to discern true from false; and Ethics, which applies the knowledge thus gained and tested to practical life.