Luke 24:47 Meaning

45Then opened he their understanding, that they might understand the scriptures,

46And said unto them, Thus it is written, and thus it behoved Christ to suffer, and to rise from the dead the third day:

47And that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.

48And ye are witnesses of these things.

49And, behold, I send the promise of my Father upon you: but tarry ye in the city of Jerusalem, until ye be endued with power from on high.