The voice said, Cry. And he said, What shall I cry? All flesh is grass, and all the goodliness thereof is as the flower of the field:
King James Version (public domain)
Traditionally attributed to Isaiah · 8th century BC · Major prophet of Judah
What does Isaiah 40:6 say in the KJV?
Context
4Every valley shall be exalted, and every mountain and hill shall be made low: and the crooked shall be made straight, and the rough places plain:
5And the glory of the LORD shall be revealed, and all flesh shall see it together: for the mouth of the LORD hath spoken it.
6The voice said, Cry. And he said, What shall I cry? All flesh is grass, and all the goodliness thereof is as the flower of the field:
7The grass withereth, the flower fadeth: because the spirit of the LORD bloweth upon it: surely the people is grass.
8The grass withereth, the flower fadeth: but the word of our God shall stand for ever.