"[T]he isolationism of the Left stems from the conviction that America is bad for the rest of the world, whereas the isolationism of the Right is based on the belief that the rest of the world is bad for America."

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The feeling for what ought and ought not to be grows and dies like a tree, and no fertilizer of any kind will do much good. What the individual can do is give a fine example, and have the courage to firmly uphold ethical convictions in a society of cynics. I have for a long time tried to conduct myself this way, with varying success.

— Albert Einstein