Let the Solemnity

Let the solemnity
Of all eternity
Rest upon your heart
As treasure to impart

Doctrine and Covenants 43: 34
  Hearken ye to these words. Behold, I am Jesus Christ, the Savior of the world. Treasure these things up in your hearts, and let the solemnities of eternity rest upon your minds.

so·lem·ni·ty

səˈlemnitē/

noun

1. the state or quality of being serious and dignified.

   "his ashes were laid to rest with great solemnity"

   • a formal, dignified rite or ceremony.

     plural noun: solemnities

     "the ritual of the church was observed in all its solemnities"