As long as friends of democracy, throughout the world, are not all killed or confined to Hitler’s concentration camps, there is one thing they cannot afford. They cannot afford to believe in his ultimate and lasting victory. There is no reason whatever to accept as scientific truth Hitler’s claim of having determined, or being about to determine, mankind’s destiny for the next thousand years. But if we begin to believe it, it may become true. Because it is our resistance that prevents it from becoming true.
Source: Social Research 7.1/4 (1940): 280-298
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