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With or without religion, you would have good people doing good things and evil people doing evil things. But for good people to do evil things, that takes religion.

"Behaving Badly? Stop Using Religion as an Excuse!" by Roy Speckhardt, www.huffingtonpost.com. April 2, 2014.
With or without religion, you would have good people doing good things and evil people doing evil things. But for good people to do evil things, that takes religion.