Translations
But as for you — remain in what you have learned and come to believe, knowing from whom you learned it—
But you — remain in what you have learned and been convinced of, knowing from whom you learned it—
But continue thou in the things which thou hast learned and hast been assured of, knowing of whom thou hast learned them;
But as for you, continue in the things you have learned and firmly believed, since you know from whom you have learned them.

