If children understand that beliefs should be substantiated with evidence, as opposed to tradition, authority, revelation or faith, they will automatically work out for themselves that they are atheists.
“Remove grace, and you have nothing whereby to be saved. Remove free will and you have nothing that could be saved.”
“It's commonly said that people who've been ill in childhood and who've had an upset education never really regret that they do. It means that you don't look at the world in the way that other people do, and if you were inclined to be a writer, that's a help.”