So the chief priests and Pharisees convened a council [of the leaders in Israel], and said, “What are we doing? For this man performs many signs (attesting miracles).

To these [men] He also showed Himself alive after His suffering [in Gethsemane and on the cross], by [a series of] many infallible proofs and unquestionable demonstrations, appearing to them over a period of forty days and talking to them about the things concerning the kingdom of God.