The advertising regulator has received almost 150 complaints that an atheist ad campaign, proclaiming "There is probably no God. Now stop worrying and enjoy your life", is offensive to Christians and other religions that believe in a single God.
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See also:
Atheist bus campaign kicks off in London
Why worry? Be atheist
Probably a ridiculous caveat
BBC Radio 4 to broadcast its first atheist 'Thought for the Afternoon'
Ariane Sherine: I'm a believer -- in plastering buses with atheist slogans
