Quotes about Rationality

I reject any religious doctrine that does not appeal to reason and is in conflict with morality.

so it is with human reason, which strives not against faith, when enlightened, but rather furthers and advances it.

O shame to men! Devil with devil damned Firm concord holds, men only disagree Of creatures rational, though under hope Of heavenly grace: and God proclaiming peace, Yet live in hatred, enmity, and strife Among themselves, and levy cruel wars, Wasting the earth, each other to destroy: As if (which might induce us to accord) Man had not hellish foes enough besides, That day and night for his destruction wait.

In short, we would discover, as we should already, that logic is in the eye of the logician. (For instance, here's an idea for theorists and logicians: if women are supposed to be less rational and more emotional at the beginning of our menstrual cycle when the female hormone is at its lowest level, then why isn't it logical to say that, in those few days, women behave the most like the way men behave all month long? I leave further improvisation up to you.)

My heart got to thumping. You can't reason with your heart; it has its own laws, and thumps about things which the intellect scorns.

There was only one catch and that was Catch-22 which specified the concern for one's own safety in the face of dangers that were real and immediate was the process of a rational mind.

Every man has a sane spot somewhere.

The mind is the attribute of man. When man is born, he comes into existence with only one weapon with him--The reasoning mind.

in order to find truth, one must be ready to give up those subjective preferences in favor of objective facts. And facts are best discovered through logic, evidence, and science.

The Law of Noncontradiction is a self-evident first principle of thought that says contradictory claims cannot both be true at the same time in the same sense.

I offer nothing more than simple facts, plain arguments, and common sense.

To argue with a person who has renounced the use of reason is like administering medicine to the dead.