Acts.18.24Now a Jew named Apollos, a native of Alexandria, came to Ephesus. He was an eloquent man, competent in the Scriptures.
2Cor.3.6who has made us competent to be ministers of a new covenant, not of the letter but of the Spirit. For the letter kills, but the Spirit gives life.
2Tim.3.17that the man of God may be competent, equipped for every good work.