"To a space alien or a German Shepherd dog, two humans would be indistinguishable, just as attractive and unattractive space aliens and German Shepherd dogs are difficult for you to tell apart."

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I have often said to my Jewish friends: "Please just remember where you come from. Remember Yahweh, who said to the Israelites, 'Treat the alien well with justice.'" Almost all of the passion that we have has come from the inspiration that we have got from the Jewish Scriptures.

— Desmond Tutu