Colossians 1:10

1:10 so that you may live worthily of the Lord and please him in all respects – bearing fruit in every good deed, growing in the knowledge of God,

Colossians 2:2

2:2 My goal is that their hearts, having been knit together in love, may be encouraged, and that they may have all the riches that assurance brings in their understanding of the knowledge of the mystery of God, namely, Christ,