Source, in full
“Then he said, ‘The God of our ancestors has chosen you to know his will, to see the Righteous One, and to hear him speak. For you will be his witness to tell all what you have seen and heard. And now, what are you waiting for? Get up, be baptized, and have your sins washed away, calling on his name.’
Notes from Wikiquote
Acts of the Apostles 22:13-16 NCB.