Humans Quote by Carl Sagan

Ignorance is the primary source of all misery and vice.

— Victor Cousin

As far as humanity is concerned the origin of stupidity is itself.

— William C. Brown

Neither a pathology nor an index as such of moral default, stupidity is nonetheless linked to the most dangerous failures of human endeavor.

— Avital Ronell

“Ignorance is the mother of all the evil and all the misery we see. Let men have light, let them be pure and spiritually…

— Swami Vivekananda

Ignorance is temporary. Stupidity, unfortunately, is permanent.

— Patricia King

Stupidity has a certain charm - ignorance does not.

— Frank Zappa

Stupidity is far more dangerous than evil, for evil takes a break from time to time, stupidity does not.

— Anatole France

If we cannot define stupidity, at least we can trace most human misfortunes and weaknesses to it. Its manifestations are legion, its symptoms are…

— Richard Armour

Stupidity, like virtue, is its own reward.

— Bill Davidsen

Stupidity is the deliberate cultivation of ignorance.

— William Gaddis

All suffering is caused by ignorance. People inflict pain on others in the selfish pursuit of their happiness or satisfaction.

— Anonymous

Stupidity and wisdom meet in the same centre of sentiment and resolution, in the suffering of human accidents.

— Michel de Montaigne