Quote by Allen MacDiarmid

Man is not a rational animal, he is a rationalizing animal.

— Anonymous

“Being the rational animal, man must be capable of thinking if he really wants to. Still, it may be that man wants to think,…

— Martin Heidegger

“When you deal with irrational animals, with things and circumstances, be generous and straightforward. You are rational; they are not.”

— Marcus Aurelius

“Man is a rational animal. But that does not mean that he is a reasonable animal. It means only that he has reason, and…

— Frank Sheed

“One is tempted to define man as a rational animal who always loses his temper when he is called upon to act in accordance…

— Oscar Wilde

“Animals are irrational men”

— Safir Kassim Booudjelal

Man is many things, but he is not rational.

— Oscar Wilde

I wonder who it was defined man as a rational animal. It was the most premature definition ever given. Man is many things, but…

— Oscar Wilde

“Rationalization is foreplay with one's conscience.”

— Doug Cooper

“For man to enter history as the rational animal, it was necessary for him to be convinced that the objects of his reasoning, the…

— William Barrett

“If we were rational creatures we would never get out of bed or live or love.”

— Belinda Jeffrey

It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.

— Bertrand Russell