They knew that it was he; the very same lame beggar, probably notoriously known to many. They were filled with wonder and amazement at that which had happened unto him; being so much contrary to what they had seen him but a little while before, when he had begged their alms; and, as he reasoned well, 1 Thessalonians 9:32, Since the world began was it not heard that any man opened the eyes of one that was born blind; so it was never heard, that any strengthened thus the feet of him that was born lame.
Related Commentaries of Acts 3:10
Acts 3:10
10 And they knew that it was he which sat for alms at the Beautiful gate of the temple: and they were filled with wonder and amazement at that which had happened unto him.