Concern Quote by Norbert Wiener

Logic is essentially a tool for getting at truth; it is the tool, for without it no reasoning is possible in any field of…

— David Oderberg

“Logic matters. It leads us from simple ideas to surprising conclusions.”

— Steven E. Landsburg

Logic is the art of convincing us some truth.

— Jean de la Bruyere

“Logic may be conceived as ruling out what is absolutely impossible, and thus determining the field of what in the absence of empirical knowledge…

— Morris F. Cohen

There can be no doubt that the knowledge of logic is of considerable practical importance for everyone who desires to think and to infer…

— Alfred Tarski

Logic issues in tautologies, mathematics in identities, philosophy in definitions; all trivial, but all part of the vital work of clarifying and organising our…

— Anonymous

Logic is the foundation of the certainty of all the knowledge we acquire.

— Leonhard Euler

“define logic as the science which treats of the operations of the human understanding in the pursuit of truth.”

— John Stuart Mill

Logic is the technique by which we add conviction to truth.

— Jean de la Bruyere

But logic is not all, one needs one's heart to follow an idea.

— Richard P. Feynman

Logic helps us to strip off the outward disguise of things, and to behold and judge of them in their own nature.

— Isaac Watts

“Even in ordinary conversation, the ideas connected with the word Logic include at least precision of language, and accuracy of classification: and we perhaps…

— John Stuart Mill