II Corinthians 6:14.
NO man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other, Ye cannot serve God and mammon.
Matthew 6:24.
YE adulterers and adulteresses, know ye not that the friendship of the world is enmity with God.
James 4:4
WHEREFORE come out from among them, and be ye separate, saith the Lord.
II Corinthians 6:17
NO man that warreth entangleth himself with the affairs of this life; that he may please him who hath chosen him to be a soldier.
II Timothy 2:4
FOR ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God's.