2 Corinthians 6:17-18 (NIV) 17 "Therefore come out from them and be separate, says the Lord. Touch no unclean thing, and I will receive you." 18 "I will be a Father to you, and you will be my sons and daughters, says the Lord Almighty."
Ephesians 5:7-8 (NIV) 7 Therefore do not be partners with them. 8 For you were once darkness, but now you are light in the Lord. Live as children of light.
Revelation 18:4 (NIV) Then I heard another voice from heaven say: "Come out of her, my people, so that you will not share in her sins, so that you will not receive any of her plagues."
Worldliness is excluding God from our lives and, therefore, consciously or unconsciously accepting the values of a man-centered society. -- Erwin W. Lutzer (1941- )
Edythe Draper, Draper's Book of Quotations for the Christian World, (Wheaton, IL: Tyndale House Publishers, 1992), WORDsearch CROSS e-book, Under: "Worldliness".