16:13-18 To this parable our Lord added a solemn warning. Ye cannot serve God and the world, so divided are the two interests. When our Lord spoke thus, the covetous Pharisees treated his instructions with contempt. But he warned them, that what they contended for as the law, was a wresting of its meaning: this our Lord showed in a case respecting divorce. There are many covetous sticklers for the forms of godliness, who are the bitterest enemies to its power, and try to set others against the truth.

13. can serve—be entirely at the command of; and this is true even where the services are not opposed.

hate … love—showing that the two here intended are in uncompromising hostility to each other: an awfully searching principle!