A dangerous book will always be in danger from those it threatens with the demand that they question their assumptions. They'd rather hang on to the assumptions and ban the book.
Ursula K. Le GuinA profound love between two people involves, after all, the power and chance of doing profound hurt.
Ursula K. Le GuinDo you know how to read?" "No. It is one of the black arts." He nodded. "But a useful one," he said.
Ursula K. Le GuinCrankish attacks on the freedom to read are common at present. When backed and coordinated by organized groups, they become sinister.
Ursula K. Le GuinIt is no secret. All power is one in source and end, I think. Years and distances, stars and candles, water and wind and wizardry, the craft in a man's hand and the wisdom in a tree's root: they all arise together. My name, and yours, and the true name of the sun, or a spring of water, or an unborn child, all are syllables of the great word that is very slowly spoken by the shining of the stars. There is no other power. No other name.
Ursula K. Le Guin