2 Corinthians 6:14-18
Be not unequally yoked with unbelievers; for what fellowship has righteousness with lawlessness? what communion has light with darkness?
Ephesians 1:18
and that the eyes of your heart may be flooded with light so that you may understand what is the hope of his calling, what the wealth of the glory of his inheritance in the saints,
Titus 2:14
He gave himself for us to redeem us from all iniquity, and to purify unto himself a people zealous of good works."
1 Peter 2:9
But you are an elect race, a royal priesthood, a holy nation, a purchased people, that you may show forth the virtues of Him who has called you out of darkness into his marvelous light??10 you who once were not a people, but now are the people of God; who were once without mercy, but now you have found mercy.