Quotes about logic

Darya stood up, heard her voice rising, and knew she was doing what she insisted what a scientist should never do: allowing passion and the defense of personal theories to interfere with logical analysis.

But no one, no matter how intelligent, could make good inferences from bad data.

That’s what logic says. But I say, phooey, who wants logic? Not you, and not me. We want results.

“It sounds reasonable to me.”

“Reasonable, but not true. Big difference.”

A difference which makes no difference is no difference.

Correlation and causation are two quite different words, and the innumerate are more prone to mistake them than most.

That logic, as a science, is susceptible of very wide applications is admitted; but it is equally certain that its ultimate forms and processes are mathematical.

There is not only a close analogy between the operations of the mind in general reasoning and its operations in the particular science of Algebra, but there is to a considerable extent an exact agreement in the laws by which the two classes of operations are conducted.

LOGIC   The principle governing human intellection. Its nature may be deduced from examining the following propositions, both of which are held by human beings to be true and often by the same people: “I can’t so you musn’t,” and “I can but you musn’t.”

Of course I've contradicted myself. I always do. Only cretins and logicians don't contradict themselves. And in their consistency, they contradict life.

The rejection process is incorporated in the concept of the negative. The negative is a judgement device. It is the means whereby one rejects certain arrangements of information. The negative is used to carry out judgement and to indicate rejection. The concept of the negative is crystallized into a definite language tool. This language tool consists of the words no and not. Once one learns the function and use of these words one has learned how to use logical thinking. The whole concept of logical thinking is concentrated in the use of this language tool. Logic could be said to be the management of NO.

The concept of logical thinking is selection and this is brought about by the processes of acceptance and rejection. Rejection is the basis of logical thinking.