They knew me well from the beginning, (if they would be willing to offer testimony) for I lived according to the most determined sect of our religion: as a Pharisee
Other versions
King James Version
Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.English Standard Version
They have known for a long time, if they are willing to testify, that according to the strictest party of our religion I have lived as a Pharisee.New International Version
They have known me for a long time and can testify, if they are willing, that according to the strictest sect of our religion, I lived as a Pharisee.