Acts 20:26

Wherefore I take you to record this day The Rev. Ver., to explain the older English, gives "I testify unto you." The sense seems a little more than this. The Apostle not only gives his own testimony, but challenges them to confirm or refute it.

that … all men St Paul looks upon himself as one like the watchmen of the house of Israel (Ezekiel 33:8) to each of whom God says, if he warn not the wicked from his way, "his blood will I require at thine hand."