Parallel
Isaiah 40:5
Brenton's English Septuagint · Berean Standard Bible
And the glory of the Lord shall appear, and all flesh shall see the salvation of God: for the Lord has spoken [it].
And the glory of the LORD will be revealed, and all humanity together will see it (note: Literally and all flesh together will see it. Cited in Luke 3:6).” For the mouth of the LORD has spoken.