21 My son, let them not depart from thine eyes; keep sound wisdom and discretion:
Bible verses about "competence" | Darby
6 Train up the child according to the tenor of his way, and when he is old he will not depart from it.
17 that the man of God may be complete, fully fitted to every good work.
15 Strive diligently to present thyself approved to God, a workman that has not to be ashamed, cutting in a straight line the word of truth.