"Now I admit that the notion of a warless world is a pleasant and attractive thought. But people who believe that there can be such a thing should ask it of Santa Claus, in whom they doubtless also believe."

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The technologists claim that if everything works [in a nuclear fission reactor] according to their blueprints, fission energy will be a safe and very attractive solution to the energy needs of the world. ... The real issue is whether their blueprints will work in the real world and not only in a "technological paradise."... Opponents of fission energy point out a number of differences between the real world and the "technological paradise." ... No acts of God can be permitted.

— Hannes Alfven