Not the end of the story...

 Then he opened their minds to understand the Scriptures, and said to them, “Thus it is written, that the Christ should suffer and on the third day rise from the dead, and that repentance and forgiveness of sins should be proclaimed in his name to all nations, beginning from Jerusalem. You are witnesses of these things. (Luke 24:45-48 ESV)
As great as the completed work of Christ is - His death, burial and resurrection, it is not the end of the story. All of these are Historical facts with eternal implications, but there is something that is ongoing - the proclamation that in His name there is forgiveness of sins, which requires reception and repentance, which in turn requires that we share these things, that we are witnesses.  It's a package deal.  We cannot receive the good news without receiving the responsibility to pass it on. Are we?