“Religious controversies are always productive of more acrimony and irreconcilable hatreds than those which spring from any other cause. I had hoped that liberal and enlightened thought would have reconciled the Christians so that their religious fights would not endanger the peace of Society.”

“I regret exceedingly that the disputes between the protestants and Roman Catholics should be carried to the serious alarming height mentioned in your letters. Religious controversies are always productive of more acrimony and irreconcilable hatreds than those which spring from any other cause; and I was not without hopes that the enlightened and liberal policy of the present age would have put an effectual stop to contentions of this kind.[Letter to Sir Edward Newenham, 22 June 1792]”

“I was sorry to see the gloomy picture which you drew of the affairs of your Country in your letter of December; but I hope events have not turned out so badly as you then apprehended. Of all the animosities which have existed among mankind, those which are caused by a difference of sentiments in religion appear to be the most inveterate and distressing, and ought most to be deprecated. I was in hopes, that the enlightened and liberal policy, which has marked the present age, would at least have reconciled Christians of every denomination so far, that we should never again see their religious disputes carried to such a pitch as to endanger the peace of Society.[Letter to Edward Newenham, 20 October 1792 about violence between Catholics and Protestants]”

“By the term cult I mean nothing derogatory to any group so classified. A cult, as I define it, is any religious group which differs significantly in one or more respects as to belief or practice from those religious groups which are regarded as the normative expressions of religion in our total culture.”

“From a religious point of view, if God had thought homosexuality is a sin, he would not have created gay people.”

“Civilized" society is a hopeful belief and protest that science, money and goods make man count for more than any other animal. In this sense everything that man does is religious and heroic, and yet in danger of being fictitious and fallible,”