Acts 20:28
Pay careful attention to yourselves and to all the flock, in which the Holy Spirit has made you overseers, to care for the church of God, which he obtained with his own blood.
Ephesians 4:13
… until we all attain to the unity of the faith and of the knowledge of the Son of God, to mature manhood, to the measure of the stature of the fullness of Christ …
Ephesians 4:15
Rather, speaking the truth in love, we are to grow up in every way into him who is the head, into Christ …