Always Have On Armor
From Miscellaneous Writings by Mary Baker Eddy, page 114
Teachers must conform strictly to the rules of divine Science announced in the Bible and their textbook, “Science and Health with Key to the Scriptures.” They must themselves practise, and teach others to practise, the Hebrew Decalogue, the Sermon on the Mount, and the understanding and enunciation of these according to Christ. They must always have on armor, and resist the foe within and without. They cannot arm too thoroughly against original sin, appearing in its myriad forms: passion, appetites, hatred, revenge, and all the et cetera of evil. Christian Scientists cannot watch too sedulously, or bar their doors too closely, or pray to God too fervently, for deliverance from the claims of evil. Thus doing, Scientists will silence evil suggestions, uncover their methods, and stop their hidden influence upon the lives of mortals. Rest assured that God in His wisdom will test all mankind on all questions; and then, if found faithful, He will deliver us from temptation and show us the powerlessness of evil, — even its utter nothingness.