Romans 10:10

Epistle of Ignatius to the Ephesians

Men "believe with the heart, and confess with the mouth," the one "unto righteousness," the other "unto salvation."[108]

Clement of Alexandria Stromata Book IV "For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation. Wherefore the Scripture saith, "Whosoever believeth on Him shah not be put to shame."[73]

Clement of Alexandria Stromata Book IV

But neither will this utterance be found to be spoken universally; for all the saved have confessed with the confession made by the voice, and departed.[106]

Clement of Alexandria Stromata Book IV

This confession is followed by that which is partial, that before the authorities, if necessary, and reason dictate. For he will confess rightly with his voice who has first confessed by his disposition.[107]

Clement of Alexandria Stromata Book IV

Wherefore the Scripture saith, Whosoever believeth on Him shall not be ashamed; that is, the word of faith which we preach: for if thou confess the word with thy mouth that Jesus is Lord, and believe in thy heart that God hath raised Him from the dead, thou shalt be saved."[139]

Tertullian A Treatise on the Soul

and Paul declares, "With the heart man believeth unto righteousness,"[102]

Tertullian On Fasting " And we know the quality of the hortatory addresses of carnal conveniences, how easy it is to say, "I must believe with my whole heart;[16]

Origen Commentary on Matthew Book XII

And such a one indeed as, "with the heart believes unto righteousness, and with the mouth maketh confession unto salvation,"[166]

Origen Commentary on Matthew Book XIV

and there arises a concord of the two, body andspirit, on the earth, on the successful accomplishment of which there is sent up a harmonious prayeralso of him who "with the heart believes unto righteousness, but with the mouth maketh confessionunto salvation."[31]