New Living Translation
I was so zealous that I harshly persecuted the church. And as for righteousness, I obeyed the law without fault.

American Standard Version
as touching zeal, persecuting the church; as touching the righteousness which is in the law, found blameless.

Berean Study Bible
as to zeal, persecuting the church; as to righteousness in the law, faultless.

Douay-Rheims Bible
According to zeal, persecuting the church of God; according to the justice that is in the law, conversing without blame.

English Revised Version
as touching zeal, persecuting the church; as touching the righteousness which is in the law, found blameless.

King James Bible
Concerning zeal, persecuting the church; touching the righteousness which is in the law, blameless.

World English Bible
concerning zeal, persecuting the assembly; concerning the righteousness which is in the law, found blameless.

Young's Literal Translation
according to zeal persecuting the assembly! according to righteousness that is in law becoming blameless!

Philippians 3:6 Additional Translations ...