Approximately 20 per cent of Canadians cannot sing the words to "O Canada" without being hypocrites. They are atheists; "O Canada"'s words are theist in both languages. The words to "O Canada" need updating in both languages. This should not be difficult if we accept the notion of separation of church and state.
Most atheists have read much more of the holy books than theists think. They are surprised when an atheist is able to quote a passage from holy scripture. So, atheists thank them very much for their concern, already know about the gods, but just don't share their faith in those gods. Can atheists have a dialogue with theists, then? Yes, if theists can agree to remove two hurdles.
How do Secular Humanists develop their ethics? This is the most consistently repeated question about Secular Humanism. Secular Humanists actually develop ethics using three characteristics of human beings: a kind of ethical tripod, if you will.