"O God, who by the lowliness of thy Son hast raised a fallen world: Grant to thy faithful people perpetual gladness; and as thou hast delivered them from eternal death, so do thou make them partakers of everlasting joys; through the same Jesus Christ our Lord."
"God, who by the humiliation of thy Son hast lifted up a fallen world, grant abiding gladness to thy faithful, so that we whom thou has rescued from the perils of eternal death may come to enjoy everlasting bliss: through."
"Deus, qui in filii tui humilitate iacentem mundum erexisti: fidelibus tuis perpetuam concede laetitiam; ut, quos perpetuae mortis eripuisti casibus, gaudiis facias perfrui sempiternis. Per" (Bruylants no. 364 (vol. 2, p. 100)).
"Deus, qui in filii tui humilitate iacentem mundum erexisti, laetitiam concede fidelibus tuis, ut, quos perpetuae mortis eripuisti casibus, gaudiis facias sempiternis perfrui" (Corpus orationum no. 1737).
Gelasian sacramentary no. 541, and others of the 8th century. Lots of variant readings.