Gordon Stein said this quote

“ Many of the innovations in science and philosophy have come from unbelievers, some of whom died for their 'unbeliefs.' Without unbelief, we might well be living in the Dark Ages or at least in the intellectual equivalent of that time.In past centuries many theists savagely attacked atheists on the ground that someone without a belief in God must be a moral 'monster,' who would permit any action. This argument is rarely heard today, as the number of people who are openly atheists has become so large that its falsity is self-evident. Atheists do have a moral code to guide them. It is usually based upon the Golden Rule, plus a variety of utilitarian reasons, although there are a number of other possible systems. Rather than being immoral, most atheists are extremely moral.There are a large number of people who can and do manage to lead decent upright lives with no use for a belief in God as a guide. Atheists do not care whether others believe as they do. They do ask, however, for the right to believe as they wish .... ”