Ezra 9:12
Now therefore give not your daughters to their sons, neither take their daughters to your sons, nor seek their peace or their wealth for ever: that you may be strong, and eat the good of the land, and leave it for an inheritance to your children for ever.
Torrey's Topical Textbook—AKJV

Proverbs 9:6
Forsake the foolish, and live; and go in the way of understanding.
Torrey's Topical Textbook—AKJV

2 Corinthians 6:17,18
Why come out from among them, and be you separate, said the Lord, and touch not the unclean thing; and I will receive you.
Torrey's Topical Textbook—AKJV