Acts 1:3 in the King James Version
To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
Context
2 until the day in which he was received up, after he had given commandment through the Holy Spirit to the apostles whom he had chosen.
3 To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days and speaking about God’s Kingdom.
4 Being assembled together with them, he commanded them, “Don’t depart from Jerusalem, but wait for the promise of the Father, which you heard from me.