2 Timothy 3:14-15
But continue you in the things which you have learned and have been assured of, knowing of whom you have learned them;…
The addition is remarkable. St. Paul's experience had taught him that without that faith the study of the sacred writings might lead only to endless questionings and logomachies. Targums and the Talmud remain as if to show how profitless such a study might become.
(E. H. Plumptre, D. D.)
Parallel VersesKJV: But continue thou in the things which thou hast learned and hast been assured of, knowing of whom thou hast learned them;