Philip Schaff (ed.) · 451 of 507

Fragments of Clemens Alexandrinus · Eusebius: Ecclesiastical History, Book. VII. II. 1.

To James the Just, and John and Peter, the Lord after His resurrection imparted knowledge (τὴν γνῶσιν.) These imparted it to the rest of the apostles, and the rest of the apostles to the Seventy, of whom Barnabas was one.