If, anywhere, brethren of a particular religious belief have been excluded from this Degree [18° Knight Rose Croix], it merely shows how gravely the purposes and plan of Masonry may be misunderstood. For whenever the door of any Degree is closed against him who believes in one God and the soul's immortality, on account of the other tenets of his faith, that Degree is Masonry no longer.

Morals and Dogma (ed. Simon and Schuster, 2013) - ISBN: 9781625584625