You can really learn something about a person when he's put into circumstances in which civilized values place his own identity, even his very being, in jeopardy. . . . I often think: How would a friend with whom you've drunk a lot of vodka and had a lot of fun respond when one morning you plant yourself on his doorstep and say, "Hide me. I'm being chased by the Nazis.

—Roman Polanski

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