Vault 101 - The framed quote in located in the living quarters and clinic.I will give unto him that is athirst of the fountain of the water of life, freely. Jefferson Memorial - The note is added to the Lone Wanderer's Pip-Boy when talking to their father James when first entering Project Purity's rotunda during the quest the Waters of Life as well as in the sub-basement. I am Alpha and Omega, the beginning and the end.The code '216' is used to activate the water purifier. The Lone Wanderer is first introduced to the passage in the first tutorial quest and later in the game, after being reunited with their father, they learn that this passage was the inspiration for Project Purity. It is mentioned several times by James, the Lone Wanderer's father, who shares that it was the favorite verse of Catherine, his deceased wife and the player character's mother. Revelation 21:6 is a verse from the Christian Bible.
I am Alpha and Omega, the beginning and the end.