Noun
an unshakable belief in something without need for proof or evidence
(Christianity) any of the sections into which a creed or other statement of doctrine is divided
Source: WordNetThe belief that it is useless to employ partial and palliative means against radical evils, because they only remedy them in part, is an article of faith never preached unsuccessfully by meanness to simplicity, but it is none the less absurd. Theodor Mommsen
It is an article of faith that Mary is Mother of the Lord and still a Virgin. Martin Luther
About truth I have always been monotheistic. It has been an article of faith with me, going back to college days, that there is a truth and that it is knowable. Mary McCarthy
"Now how can you like a man without wanting him?” she demands of herself aloud. There is no answer. It is an article of faith with her. If you like a man, it has to be because you want him. Whoever heard of it any other way? Theodore Sturgeon
Post-9/11, the American media were filled with pre-emptory denunciations of unpatriotic 'conspiracy theorists', who not only are always with us but are usually easy for the media to discredit since it is an article of faith that there are no conspiracies in American life. Gore Vidal
In America, we have always taken it as an article of faith that we 'battle' cancer; we attack it with knives, we poison it with chemotherapy or we blast it with radiation. If we are fortunate, we 'beat' the cancer. If not, we are posthumously praised for having 'succumbed after a long battle.' Abraham Verghese