13 until we all reach unity in the faith and in the knowledge of the Son of God and become mature, attaining to the whole measure of the fullness of Christ.
14 Then we will no longer be infants, tossed back and forth by the waves, and blown here and there by every wind of teaching and by the cunning and craftiness of people in their deceitful scheming.
15 Instead, speaking the truth in love, we will grow to become in every respect the mature body of him who is the head, that is, Christ.
16 From him the whole body, joined and held together by every supporting ligament, grows and builds itself up in love, as each part does its work.

Instructions for Christian Living

17 So I tell you this, and insist on it in the Lord, that you must no longer live as the Gentiles do, in the futility of their thinking.
18 They are darkened in their understanding and separated from the life of God because of the ignorance that is in them due to the hardening of their hearts.
19 Having lost all sensitivity, they have given themselves over to sensuality so as to indulge in every kind of impurity, and they are full of greed.
20 That, however, is not the way of life you learned
21 when you heard about Christ and were taught in him in accordance with the truth that is in Jesus.
22 You were taught, with regard to your former way of life, to put off your old self, which is being corrupted by its deceitful desires;
23 to be made new in the attitude of your minds;