Arrogance

The only thing more dangerous than ignorance is arrogance. — Albert Einstein (1879-1955)

The Evil

The evil that is in the world almost always comes of ignorance, and good intentions may do as much harm as malevolence if they lack understanding. — Albert Camus (1913-1960)

The Curse of God

Ignorance is the curse of God; knowledge is the wing wherewith we fly to heaven. — William Shakespeare (1564-1616)