Quotes about Rationality
The law is reason unaffected by desire.
— Aristotle
The emotional qualities are antagonistic to clear reasoning.
— Arthur Conan Doyle
Reason is the enemy of faith.
— Martin Luther
Francis Schaeffer's Escape from Reason.
— Sarah Young
Reason will by degrees submit to absurdity, as the eye is in time accommodated to darkness.
— Samuel Johnson
To talk of rational beings apart from man is as if we attempted to talk of heavy beings apart from bodies.
— Arthur Schopenhauer
Men who reject the responsibility of thought and reason can only exist as parasites on the thinking of others.
— Ayn Rand
A rational man never distorts or corrupts his own standards and judgment in order to appeal to the irrationality, stupidity, or dishonesty of others.
— Ayn Rand
Man has been called a rational being, but rationality is a matter of choice — and the alternative his nature offers him is: rational being or suicidal animal. Man has to be man — by choice; he has to hold his life as a value — by choice; he has to learn to sustain it — by choice; he has to discover the values it requires and practice his virtues — by choice. A code of values accepted by choice is a code of morality.
— Ayn Rand
There is only one power that determines the course of history, just as it determines the course of every individual life: the power of man's rational faculty—the power of ideas.
— Ayn Rand
This dictate of common sense.
— Jonathan Edwards
Science can only be created by those who are thoroughly imbued with the aspiration towards truth and understanding. This source of feeling, however, springs from religion. To this there also belongs the faith in the possibility that the regulations valid for the world of existence are rational, that is, comprehensible to reason. I cannot imagine a scientist without that profound faith.
— Eric Metaxas