The Center for Inquiry, one of (if not the) leading non-religious advocacy group in the United States, has begun a new campaign, ‘Living Without Religion’. Have a look at this clip, aimed at simply stating their mission in this campaign and the overarching idea of living without a god, in general.
It’s simple, coherent and is not threatening. My only quibble is with the word ‘hope’. What do they mean by ‘hope’?