Sin, indeed, maintains an enmity against all duties of obedience, or rather against God in them. -When I would do good,- says the apostle, -evil is present with me- -Rom 7-21--that is, -Whenever I would do good, or whatsoever good I would do -that is, spiritually good, good in reference to God-, sin is present with me to hinder me from the good, to oppose me in it.- On the other side, all duties of obedience lie directly against the actings of the law of sin- for as the flesh in all its actings lusts against the Spirit, so the Spirit in all its actings lusts against the flesh.