Parallel
Isaiah 38:7
Swete's Septuagint · Berean Standard Bible
τοῦτο δέ σοι τὸ σημεῖον παρὰ. Κυρίου ὅτι ὁ θεός ποιήσει τὸ τοῦτο.
This will be a sign to you from the LORD that He will do what He has promised: