Ifs Quote by Bernard Lonergan

A system is said to be coherent if every fact in the system is related every other fact in the system by relations that…

— Susan Stebbing

Logic is one thing, the human animal another. You can quite easily propose a logical solution to something and at the same time hope…

— Luigi Pirandello

Any useful logic must concern itself with Ideas with a fringe of vagueness and a Truth that is a matter of degree.

— Norbert Wiener

I hope you become comfortable with the use of logic without being deceived into concluding that logic will inevitably lead you to the correct…

— Neil Armstrong

“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

The logic of words should yield to the logic of realities.

— Louis D. Brandeis

Logic takes care of itself; all we have to do is to look and see how it does it.

— Ludwig Wittgenstein

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

— Jean de la Bruyere

Logic is a very beautiful thing. As long as it is not abused.

— Eugene Ionesco

As a science, logic institutes an analysis of the process of the mind in reasoning, and investigating the principles on which argumentation is conducted;…

— Richard Whately

Logic is a wonderful invention. It is so wonderful, people often mistake it for reason. Reason, however, requires sense. Logic requires only consistency.

— Jane Haddam

There's only one thing you can use against pure logic, and that's common sense.

— Alan Cooper