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Isaiah 40:31

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But those who wait upon the LORD will renew their strength; they will mount up with wings like eagles; they will run and not grow weary, they will walk and not faint.

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Commentaries

Excerpts gathered from published commentaries to ground the reading.

John Gill Bible Commentaryv. 31

INTRODUCTION TO ISAIAH 40 This chapter treats of the comforts of God's people; of the forerunner and coming of the Messiah; of his work, and the dignity of his person; of the folly of making idols, and of the groundless complaints of the church of God. The consolations of God's people, by whom to be administered, and the matter, ground, and reason of them, Isa 40:1. John the Baptist, the harbinger of Christ, is described by his work and office, and the effects of it; it issuing in the humiliation of some, and the exaltation of others, and in the revelation of the glory of Christ, Isa 40:3, then follows an order to every minister of the Gospel what he should preach and publish; the weakness and insufficiency of men to anything that is spiritually good; their fading and withering goodliness, which is to be ascribed to the blowing of the Spirit of God upon it; and the firmness and constancy of the word of God is declared, Isa 40:6, next the apostles of Christ in Jerusalem are particularly exhorted to publish fervently and openly the good tidings of the Gospel; to proclaim the coming of Christ, the manner of it, and the work he came about; and to signify his faithful discharge of his office as a shepherd, Isa 40:9, the dignity of whose person is set forth by his almighty power, by his infinite wisdom, and by the greatness of his majesty, in comparison of which all nations and things are as nothing, Isa 40:12 and then the vanity of framing any likeness to God, and of forming idols for worship, is observed, Isa 40:18, and from the consideration of the divine power in creation and upholding all things, the church of God is encouraged to expect renewed strength and persevering grace, and is blamed for giving way to a distrustful and murmuring spirit, Isa 40:26.

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Keil-Delitzsch Old Testament Commentaryv. 30

Faith is all that is needed to ensure a participation in the strength (עצמה after the form חכמה), which He so richly bestows and so powerfully enhances. "And youths grow faint and weary, and young men suffer a fall. But they who wait for Jehovah gain fresh strength; lift up their wings like eagles; run, and are not weary; go forward, and do not faint." Even youths, even young men in the early bloom of their morning of life (bachūrı̄m, youths, from בּחר, related to בּכר, בּגר), succumb to the effects of the loss of sustenance or over-exertion (both futures are defective, the first letter being dropped), and any outward obstacle is sufficient to cause them to fall (נכשׁל with inf. abs. kal, which retains what has been stated for contemplation, according to Ges. 131, 3, Anm. 2). In Isa 40:30 the verb stands first, Isa 40:30 being like a concessive clause in relation to Isa 40:31. "Even though this may happen, it is different with those who wait for Jehovah," i.e., those who believe in Him; for the Old Testament applies to faith a number of synonyms denoting trust, hope, and longing, and thus describes it according to its inmost nature, as fiducia and as hope, directed to the manifestation and completion of that which is hoped for. The Vav cop. introduces the antithesis, as in Isa 40:8. החליף, to cause one to pursue, or new to take the place of the old (Lat. recentare). The expression וגו יעלוּ is supposed by early translators, after the Sept., Targ. Jer., and Saad., to refer to the moulting of the eagle and the growth of the new feathers, which we meet with in Psa 103:5 (cf., Mic 1:16) as a figurative representation of the renewal of youth through grace. But Hitzig correctly observes that העלה is never met with as the causative of the kal used in Isa 5:6, and moreover tha…

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Tyndale Open Study Notesv. 31

40:31 trust in the Lord: See 33:2; 49:23; 51:5. • like eagles: This powerful image of rescue reminded readers of the Exodus event of long ago (Exod 19:4; Deut 32:10-12; see also Ps 103:5).

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