although I was before a blasphemer, a persecutor, and insolent. However, I obtained mercy, because I did it ignorantly in unbelief.
and injurious: According to Marshall, the word "injurious" is better translated "insolent" (Acts 9:1-2). Saul did not just blaspheme and persecute Christians, but he did it with a proud, haughty, and insolent spirit.