2 Corinthians 6:14-18
Be not unequally yoked together with unbelievers: for what fellowship has righteousness with lawlessness? What communion has light with darkness?
Ephesians 1:18
that, the eyes of your understanding being enlightened, you may know what is the hope of his calling, and what are the glorious riches of his inheritance in the saints,
Titus 2:14
who gave himself for us, that he might redeem us from all iniquity, and purify for himself a peculiar people, zealous of good works.
1 Peter 2:9
But you are a chosen race, a royal priesthood, a holy nation, a purchased people, that you should show forth the virtues of him who has called you out of darkness into his wonderful light: