Revelation 21:6

Revelation 21:6 is a framed quote in Vault 101's clinic as well as a paper note in Fallout 3.

Background
Revelation 21:6 is a passage from the Bible. During Baby Steps, James, the Lone Wanderer's father, reveals that it was Catherine's favorite passage, and that she always had loved it. During The Waters of Life, James reveals that the "water of life" portion of the passage represents Project Purity, which would provide clean water to the Capital Wasteland. The passage number, 216, is also used to activate Project Purity during Take it Back!

Locations

 * Jefferson Memorial - The note is added to the Lone Wanderer's Pip-Boy when talking to James when first entering Project Purity's rotunda during the quest The Waters of Life, as well as in the sub-basement.
 * Vault 101 - The framed quote in located in the living quarters and clinic.
 * It is also shown in an ending slide.