Quotes About Logic

The true function of philosophy is to educate us in the principles of reasoning and not to put an end to further reasoning by the introduction of fixed conclusions.

Reason is, and ought only to be the slave of the passions.

A man who is furnished with arguments from the mint will convince his antagonist much sooner than one who draws them from reason and philosophy.

Good philosophy must exist, if for no other reason, because bad philosophy needs to be answered.

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.

Histories make men wise; poets, witty; the mathematics, subtle; natural philosophy, deep; moral, grave; logic and rhetoric, able to contend.

What is rational is actual and what is actual is rational

I call him free who is led solely by reason.

The sole remaining task for philosophy is the analysis of language.

Reason is itself a matter of faith. It is an act of faith to assert that our thoughts have any relation to reality at all.

You asked me how to get out of the finite dimensions when I feel like it. I certainly don't use logic when I do it. Logic's the first thing you have to get rid of.

People who lean on logic and philosophy and rational exposition end by starving the best part of the mind.

Science was born as a result and consequence of philosophy; it cannot survive without a philosophical base. If philosophy perishes, science will be next to go.

It is one of the consolations of philosophy that the benefit of showing how to dispense with a concept does not hinge on dispensing with it.

I see philosophy as a fairly abstract activity, as concerned mainly with the analysis of criticism and concepts, and of course most usefully of scientific concepts.

It has been said that metaphysics is the finding of bad reasons for what we believe upon instinct.

Finding bad reasons for what one believes for other bad reasons - that's philosophy.

I think, therefore I'll think.

Empiricism in the sciences is a method; naturalism in philosophy is a metaphysics; and the latter neither follows from nor underlies the former.

The philosophy of reasoning, to be complete, ought to comprise the theory of bad as well as of good reasoning.

Most mistakes in philosophy and logic occur because the human mind is apt to take the symbol for the reality.

Probabilities direct the conduct of the wise man.

Philosophy may describe unreasoning, as it may describe force; it cannot hope to refute them.

The object of philosophy is the logical clarification of thought.