Isaiah 40-55 is known as "Deutero-Isaiah" and dates from the time of the Israelites' exile in Babylon.

[1] Fragments containing parts of this chapter were found among the Dead Sea Scrolls (3rd century BC or later): There is also a translation into Koine Greek known as the Septuagint, made in the last few centuries BCE.

Extant ancient manuscripts of the Septuagint version include Codex Vaticanus (B;

Nebo (or Nabu) was the Babylonian god of scribes and wisdom.

[4] Verse 4 is the inspiration for the Christian hymn: "Safe In Jehovah’s Keeping".