My challenge is really to say, 'Can you name me a moral action or a statement that has been made by a believer that couldn't have been made by a non-believer?

Hitchens posed this challenge many times in debate or during lectures, variously phrased, claiming no one had ever been able to pass it, although everyone could easily answer the corollary question: "Could you name a wicked action or a vile statement made by someone, attributable only to their religious faith?"

citation

version: Name me an ethical statement made or an action performed by a believer that could not have been made or performed by a non-believer.