“But continue thou in the things which thou hast learned, and hast been assured of, knowing of whome thou hast learned them.”
1611 King James Version (KJV)
3:14 From whom - Even from me a teacher approved of God.
2Ti 3:14 Continue thou. Refusing to heed the evil men, continue in the truth. Knowing from whom thou hast learned [them]. Of pious parents first (2Ti 1:5), but more especially of Paul (Ac 16:1).