NET
3 For ignoring the righteousness that comes from God, and seeking instead to establish their own righteousness, they did not submit to God’s righteousness.
Darby
3 For they, being ignorant of God's righteousness, and seeking to establish their own [righteousness], have not submitted to the righteousness of God.
KJV
3 For they being ignorant of God's righteousness, and going about to establish their own righteousness, have not submitted themselves unto the righteousness of God.