Romans 7:14-24
For we know that the Law is a spiritual thing; but I am unspiritual--the slave, bought and sold, of sin.
Galatians 1:14-16
and how in devotion to Judaism I outstripped many men of my own age among my people, being far more zealous than they on behalf of the traditions of my forefathers.
Philippians 3:6-8
as to zeal, a persecutor of the Church; as to the righteousness which comes through Law, blameless.
1 Timothy 1:13-15
though I was previously a blasphemer and a persecutor and had been insolent in outrage. Yet mercy was shown me, because I had acted ignorantly, not having as yet believed;