Consistency in the Bible

Nehemiah 5:9 Also I said, It is not good that ye do: ought ye not to walk in the fear of our God because of the reproach of the heathen our enemies?
Matthew 6:24 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.
Luke 16:13 No servant 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.
Romans 14:22 Hast thou faith? have it to thyself before God. Happy is he that condemneth not himself in that thing which he alloweth.
1 Corinthians 10:21 Ye cannot drink the cup of the Lord, and the cup of devils: ye cannot be partakers of the Lord's table, and of the table of devils.