They have known me for a long time and could testify, if they were willing, that I lived as a Pharisee, by the strictest party of our religion.
In context
3above all because you are an expert in all the customs and disputes of the Jews. So I beg you to hear me patiently. 4My way of life from my youth, spent from the beginning among my own nation and in Jerusalem, is known to all the Jews. 5They have known me for a long time and could testify, if they were willing, that I lived as a Pharisee, by the strictest party of our religion. 6And now I stand on trial because of my hope in the promise God made to our ancestors — 7the promise our twelve tribes hope to see fulfilled as they worship with all earnestness night and day. It is for this hope, Your Majesty, that I am accused by Jews.