This is my favorite version of this song and I’m still knocking on Heaven’s Door!
LYRICS:

Mama take this badge from me
I can’t use it anymore
It’s getting dark too dark to see
I feel I’m knockin’ on heaven’s door

Knock, knock, knockin’ on heaven’s door
Knock, knock, knockin’ on heaven’s door
O, oh…
Knock, knock, knockin’ on heaven’s door
Knock, knock, knockin’ on heaven’s door

Mama put my guns in the ground
I can’t shoot them anymore
A cold black cloud is comin’ around
And I feel I’m knockin’ on heaven’s door

Knock, knock, knockin’ on heaven’s door
Feels like I’m
Knock, knock, knockin’ on heaven’s door
Feels like I’m
Knock, knock, knockin’ on heaven’s door
O, oh…
Knock, knock, knockin’ on heaven’s door

Knock, knock, knockin’ on heaven’s door
Knock, knock, knockin’ on heaven’s door
Feels like I’m
Knock, knock, knockin’ on heaven’s door
Knock, knock, knockin’ on heaven’s door

Mama, tell me
Knock, knock, knockin’ on heaven’s door
Feels like I’m
Knock, knock, knockin’ on heaven’s door
O, oh…
Knock, knock, knockin’ on heaven’s door
O, oh…
Knock, knock, knockin’ on heaven’s door

Feels like I’m
Knock, knock, knockin’ on heaven’s door
Knock, knock, knockin’ on heaven’s door

Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you: (Matt 7:7)
For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened. (Matt 7:8)

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Jesus is knocking on OUR door as well...

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Behold, I stand at the door, and knock: if any man hear my voice, and open the door, I will come in to him, and will sup with him, and he with me. (Rev 3:20)