Such is doomed to failure, as mankind is inherently religious. Rather, we should seek the best religion we can, through an adoption of a system more akin to that of the Roman conception of religion, rather than our Abrahamic obsession.
No one can doubt that the faith of the philosophers, scientists, mathematicians, et cetera, was beneficial to us all. Western civilization came from such a faith and was sustained by it. In fact, when it was abandoned in favour of Christianity, it is then that Western civilization faced its worse denigration its long and storied history.