1 Corinthians 8:1

Epistle of Mathetes to Diognetus

The Apostle, perceiving the force [of this conjunction], and blaming that knowledge which, without true doctrine, is admitted to influence life,[66]

Irenaeus Against Heresies Book II

It is therefore better and more profitable to belong to the simple and unlettered class, and by means of love to attain to nearness to God, than, by imagining ourselves learned and skilful, to be found [among those who are] blasphemous against their own God, inasmuch as they conjure up another God as the Father. And for this reason Paul exclaimed, "Knowledge puffeth up, but love edifieth: "[214]

Clement of Alexandria Stromata Book I

But the "supposition of knowledge inflates," and fills with pride; "but charity edifieth," which deals not in supposition, but in truth. Whence it is said, "If any man loves, he is known."[143]

Clement of Alexandria Stromata Book II

But the knowledge of those who think themselves wise, whether the barbarian sects or the philosophers among the Greeks, according to the apostle, "puffeth up."[108]

Clement of Alexandria Stromata Book IV

And there are those who say that the knowledge about things sacrificed to idols is not promulgated among all, "lest our liberty prove a stumbling-block to the weak. For by thy knowledge he that is weak is destroyed. "[133]