Parallel
Isaiah 40:29
Rahlfs Septuagint (1935) · Berean Standard Bible
διδοὺς τοῖς πεινῶσιν ἰσχὺν καὶ τοῖς μὴ ὀδυνωμένοις λύπην
He gives power to the faint and increases the strength of the weak.