1 Corinthians 15:17-20: "17 And if Christ has not been raised, your faith is futile and you are still in your sins. 18 Then those also who have fallen asleep in Christ have perished. 19 If in Christ we have hope in this life only, we are of all people most to be pitied.
"20 But in fact Christ has been raised from the dead, the firstfruits of those who have fallen asleep."
1 Corinthians 15:51-52: "51 Behold! I tell you a mystery. We shall not all sleep, but we shall all be changed, 52 in a moment, in the twinkling of an eye, at the last trumpet. For the trumpet will sound, and the dead will be raised imperishable, and we shall be changed."
Revelation 14:13: "And I heard a voice from heaven saying, 'Write this: Blessed are the dead who die in the Lord from now on.' 'Blessed indeed,' says the Spirit, 'that they may rest from their labors, for their deeds follow them!'"
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The text is public domain:
This joyful Eastertide
Away with sin and sorrow!
My love, the Crucified,
Has sprung to life this morrow:
Had Christ, who once was slain,
Not burst His three-day prison,
Our faith had been in vain:
But now has Christ arisen, arisen, arisen;
But now has Christ arisen!
Death's flood has lost its chill
Since Jesus crossed the river;
Lover of souls, from ill
My passing soul deliver:
Had Christ, who once was slain,
Not burst His three-day prison,
Our faith had been in vain:
But now has Christ arisen, arisen, arisen;
But now has Christ arisen!
My flesh in hope shall rest
And for a season slumber
Till trump from east to west
Shall wake the dead in number:
Had Christ, who once was slain,
Not burst His three-day prison,
Our faith had been in vain:
But now has Christ arisen, arisen, arisen;
But now has Christ arisen!
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1 Corinthians 15:17-20 (particularly verse 17) appears most clearly in the refrain: "Had Christ... Not burst His three-day prison, / Our faith had been in vain." The resurrection is mentioned in verse 20 ("Christ has been raised from the dead"), which seems to be the source for the second half of the hymn's first verse: "My love, the Crucified, / Has sprung to life this morrow."
The other two Biblical citations appear in the third verse. "My flesh in hope shall rest / And for a season slumber" seems to be drawn from "the dead... rest[ing] from their labors" in Revelation 14:13, and "Till trump from east to west / Shall wake the dead in number" comes from 1 Corinthians 15:51-52. (Incidentally, "from east to west" is a merism.)
