Then he called for a light - Greek: lights, in the plural. Probably several torches were brought by his attendants.
And came trembling - Alarmed at the earthquake; amazed that the prisoners were still there; confounded at the calmness of Paul and Silas and overwhelmed at the proof of the presence of God. Compare Jeremiah 5:22, “Fear ye not me, saith the Lord? will ye not tremble at my presence? etc.”
And fell down - This was an act of profound reverence. See the notes on Matthew 2:11. It is evident that he regarded them as the favorites of God, and was con strained to recognize them as religious teachers.