Better far that I should read with certainty and persuasion of its truth the Holy Scripture, placed on the highest (even the heavenly) pinnacle of authority, and should, without questioning the trustworthiness of its statements, learn from it that men have been either, commended, or corrected, or condemned, than that, through fear of believing that by men, who, though of most praiseworthy excellence, were no more than men, actions deserving rebuke might sometimes be done, I should admit suspicions affecting the trustworthiness of the whole “oracles of God.”
-Augustine, Letters of St. Augustine, Letter 82.2.5
This Mediator [Jesus Christ], having spoken what He judged sufficient first by the prophets, then by His own lips, and afterwards by the apostles, has besides produced the Scripture which is called canonical, which has paramount authority, and to which we yield assent in all matters of which we ought not to be ignorant, and yet cannot know of ourselves.
-St. Augustine, quoted from his City of God, book XI, Chapter 3,
St. Augustine (A.D. 354–430)
De unitate ecclesiae, 10
“Neither dare one agree with catholic bishops if by chance they err in anything, but the result that their opinion is against the canonical Scriptures of God.”
Irenaeus (ca. 150)
Against Heresies 3.1.1
“We have learned from none others the plan of our salvation, than from those through whom the gospel has come down to us, which they did at one time proclaim in public, and, at a later period, by the will of God, handed down to us in the Scriptures, to be the ground and pillar of our faith.”
Clement of Alexandria (d. 215)
The Stromata, 7:16
“But those who are ready to toil in the most excellent pursuits, will not desist from the search after truth, till they get the demonstration from the Scriptures themselves.”
Gregory of Nyssa (d. ca. 395)
On the Holy Trinity NPNF, p. 327
“Let the inspired Scriptures then be our umpire, and the vote of truth will be given to those whose dogmas are found to agree with the Divine words.”
Athanasius (c. 296–373)
Against the Heathen, 1:3
“The holy and inspired Scriptures are fully sufficient for the proclamation of the truth.”
<The Scriptures being “fully sufficient,” is simply a seed form of sola Scriptura.>
Basil the Great (ca. 329–379)
On the Holy Spirit, 7.16
“We are not content simply because this is the tradition of the Fathers. What is important is that the Fathers followed the meaning of the Scripture.”
Ambrose (A.D. 340–397)
On the Duties of the Clergy, 1:23:102
“For how can we adopt those things which we do not find in the holy Scriptures?”