[…] at the Jefferson Memorial or the Statue of Liberty, amid the noisy presence and restless shoulderings of other tourists.

For atheism to be rationally justified it is only necessary that it be more probable than not or at least more probable than theism. Certainty is no more required in the case of atheism than it is in the case of scientific theories.

Then add those may-be years thou hast to live

Oh there once was a swagman camped in the billabong, Under the shade of a coolibah tree, And he sang as he looked at the old billy boiling, 'Who'll come a'waltzing Matilda, with me.'