Exegetical and Hermeneutical Commentary of Genesis 21:5

And Abraham was a hundred years old, when his son Isaac was born unto him.

And Abraham was an hundred years old when son Isaac was born unto him. So that this was years after his departure from Haran, and coming into the land of Canaan, for then he was seventy five years of age,

Ge 12:4; and this exactly agrees with the account of Demetrius, as related by Polyhistor, an Heathen writer o, who makes Isaac to be born just twenty five years from Abraham’s coming into the land of Canaan, and who must be now an hundred years old, being ninety nine at the time the Lord appeared unto him, and promised him a son at the set time the next year, Ge 17:1. This is observed, both to show the wonderful favour to Abraham, and the faithfulness of God in the exact performance of his promise: according to Bishop Usher p, Isaac was born A. M. 2108, and before Christ 1896, and probably at Beersheba, see Ge 21:33.

o Apud Euseb. Praepar. Evangel. l. 9. c. 21. p. 425. p Annales Vet. Test. p. 9.

Fuente: John Gill’s Exposition of the Entire Bible

5. And Abraham was an hundred years old. Moses again records the age of Abraham the better to excite the minds of his readers to a consideration of the miracle. And although mention is made only of Abraham, let us yet remember that he is, in this place, set before us, not as a man of lust, but as the husband of Sarah, who has obtained, through her, a lawful seed, in extreme old age, when the strength of both had failed. For the power of God was chiefly conspicuous in this, that when their marriage had been fruitless more than sixty years, suddenly they obtain offspring (434). Sarah, truly, in order to make amends for the doubt to which she had given way, now exultingly proclaims the kindness of God, with becoming praises. And first, she says, that God had given her occasion of joy; not of common joy, but of such as should cause all men to congratulate her. Secondly, for the purpose of amplification, she assumes the character of an astonished inquirer, ‘Who would have told this to Abraham?’ Some explain the clause in question, ‘will laugh at me,’ as if Sarah had said, with shame, that she should be a proverb to the common people. But the former sense is more suitable; namely, ‘Whosoever shall hear it, will laugh with me;’ that is, for the sake of congratulating me.

(434) “ Quod quum ultra sexaginta annos sterile illis fuisset conjugium, effoetis jam et semimortuis, subito nata est prolis.”

Fuente: Calvin’s Complete Commentary

5. Hundred years old Hebrews, son of a hundred years . Notable and memorable the fact that the father of the faithful was the son of a hundred years a century old when the son was born through whom he was to become “heir of the world . ” Rom 4:13.

Fuente: Whedon’s Commentary on the Old and New Testaments

And Abraham was an hundred years old, when his son Isaac was born unto him.

Observe, how particular the Holy Ghost is, to mark down again Abraham’s age, in order to manifest, that the mercy of a Son was not within the ordinary course of natural expectation. Gal 4:23 .

Fuente: Hawker’s Poor Man’s Commentary (Old and New Testaments)

Gen 21:5 And Abraham was an hundred years old, when his son Isaac was born unto him.

Ver. 5. And Abraham was a hundred years old. ] After twenty years’ praying, and waiting the fulfilling of the promise; besides thirteen of those years’ silence, for aught we read, after the promise of a child. This was a sore trial; but God knew him to be armour of proof, and therefore tried him thus with musket-shot. Well might the apostle say, “Ye have need of patience, that after ye have done the will of God,” and suffered it too, “ye might receive the promise”. Heb 10:36 The “spoiling of their goods” required patience: but this waiting much more. Good men find it easier to bear evil, than to wait till the promised good be enjoyed. This waiting is nothing but hope and trust lengthened; which they that cannot do, like children, they pull apples afore they are ripe, a and have worms bred of them; as those hasty Ephraimites, that set upon the Philistines, and were slain in Gath. They had indeed a promise of the land, but the time was not yet come. They were weary of the Egyptian bondage, and would have thus got out; but they were too hasty. Fugientes ergo fumum, incidebant in ignem . 1Ch 7:21-22 Psa 78:9

a Importuno tempore poma decerpunt . – Cyprian. See my Love-tokens , p. 94.

Fuente: John Trapp’s Complete Commentary (Old and New Testaments)

hundred. See App-10.

Fuente: Companion Bible Notes, Appendices and Graphics

Gen 17:1, Gen 17:17, Rom 4:19

Reciprocal: Gen 24:1 – was old Psa 113:9 – maketh Jer 20:15 – A man

Fuente: The Treasury of Scripture Knowledge