Multi-Translation Layout:
5 They knew me from the first, if they were willing to testify, that according to the strictest sect of our religion I lived a Pharisee.
5 having known me from the first, if they are willing to testify, that after the strictest sect of our religion I lived a Pharisee.
5 They have known for a long time, if they are willing to testify, that I have belonged to the strictest sect of our religion and lived as a Pharisee.