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:English Standard Version
To them he presented himself alive after his suffering by many proofs, appearing to them during forty days and speaking about the kingdom of God.Catholic Public Domain Version
He also presented himself alive to them, after his Passion, appearing to them throughout forty days and speaking about the kingdom of God with many elucidations