A man in a white shirt sits on a jail-cell cot, seen from behind, writing on a pad beside an open Bible, hard sunlight falling through the barred window across the concrete floor.

Original artwork, not a still

Strength to Love · 1963

Dr. Martin Luther King Jr.

Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.

Behind the line

What it means

Our interpretation.

King is naming a danger that feels worse than open malice: the person who is certain they are right and has never checked. Sincerity and conscience, he says, do not excuse harm done by someone who will not learn. It is quoted whenever confident wrongness meets real power, from school boards to comment sections.

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In context

Spoilers for Strength to LoveShow the scene

Martin Luther King Jr. wrote this in the sermon "Love in Action", the fourth chapter of his 1963 collection Strength to Love (Wikiquote places it in section 3 of that chapter). King drafted "Love in Action", along with "Loving Your Enemies" and "Shattered Dreams", in July 1962 while jailed for about two weeks after the Albany Movement prayer vigil, then finished the book after his release. Strength to Love was published in 1963.

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