His ignorance was as remarkable as his knowledge.

— Arthur Conan Doyle

Humility and knowledge in poor clothes excel pride and ignorance in costly attire.

— William Penn

I am one of those scientists who feel that it is no longer enough just to get on and do science. We have to devote a significant proportion of our time and resources to defending it from deliberate attack from organized ignorance.

— Richard Dawkins

I count religion but a childish toy, and hold there is no sin but ignorance.

— Christopher Marlowe

Ideas are only lethal if you suppress and don't discuss them. Ignorance is not bliss, it's stupid. Banning books shows you don't trust your kids to think, and you don't trust yourself to be able to talk to them.

— Anna Quindlen

I don't like greed, I don't like ignorance. I really don't like anger. But I love.

— David Crosby

I do sometimes accuse people of ignorance, but that is not intended to be an insult. I'm ignorant of lots of things. Ignorance is something that can be remedied by education.

— Richard Dawkins

If I don't have wisdom, I can teach you only ignorance.

— Leo Buscaglia

If knowledge can create problems, it is not through ignorance that we can solve them.

— Isaac Asimov

If you belonged to a political party or a social club that was tied to as much bigotry, misogyny, homophobia, violence, and sheer ignorance as religion is, you'd resign in protest.

— Bill Maher