Matthew 6:24
No one can serve two masters; for either he will hate one, and love the other; or else he will cleave to one, and despise the other. Ye cannot serve God and mammon.
Matthew 10:37
He that loveth father or mother more than me, is not worthy of me; and he that loveth son or daughter more than me, is not worthy of me;
Acts 4:19
But Peter and John answered and said to them, Whether it is right in the sight of God to hearken to you rather than to God, judge ye.
Acts 5:29
But Peter and the apostles answered and said, We ought to obey God rather than men.
2 Corinthians 6:15-17
And what concord hath Christ with Beliar? Or what part hath a believer with an unbeliever?