Genesis 17:1

“And when Abram was ninety years old and nine, etc.] Which was thirteen years after the birth of Ishmael last mentioned; so many years more it was before be is expressly told he should have a son by Sarai, or had the promise of Isaac, which was for the trial of his faith; and his age is here observed, that the power of God might be more manifest in fulfilling his promise, and giving him a son by Sarai: the Lord appeared to Abram; in a visible manner, in an human form very probably, even the Logos, the Word and Son of God: it seems as if the Lord had not appeared to him since the birth of Ishmael, until this time; and if so, it may be thought to be a correction of him for listening to the…”

“RENEWAL OF THE COVENANT. (Gen. 17:1-27) Abram . . . ninety years old and nine--thirteen years after the birth of Ishmael [Gen 16:16]. During that interval he had enjoyed the comforts of communion with God but had been favored with no special revelation as formerly, probably on account of his hasty and blameable marriage with Hagar. the Lord appeared--some visible manifestation of the divine presence, probably the Shekinah or radiant glory of overpowering effulgence. I am the Almighty God--the name by which He made Himself known to the patriarchs (Exo 6:3), designed to convey the sense of "all-sufficient" (Psa 16:5-6; Psa 73:25). walk . . . and . . . perfect--upright, or sincere (Psa 51:6) in…”

“- The Sealing of the Covenant 1. שׁדי shaday, Shaddai, “Irresistible, able to destroy, and by inference to make, Almighty.” שׁדד shādad “be strong, destroy.” This name is found six times in Genesis, and thirty-one times in Job. 5. אברהם 'abrâhām, Abraham, from אברם 'abrām “high-father,” and הם hām the radical part of המין hāmôn a “multitude,” is obtained by a euphonic abbreviation אברהם 'abrâhām, “father of a multitude.” The root רהם rhm is a variation of רום rvm; affording, however, a link of connection in sound and sense with the root המה hāmâh “hum, be tumultuous,” from which comes המון hāmôn a “multitude.” The confluence of the biliterals רם rm and הם hm yields the…”

“17:1-27 God now gave the family signs that the promises would be fulfilled. He changed Abram’s name to Abraham (17:1-8), instituted the rite of circumcision as the sign of the covenant (17:9-14, 23-27), and changed Sarai’s name to Sarah (17:15-22). 17:1 El-Shaddai: This name for God emphasizes his power (see also 28:3; 35:11; 43:14; 48:3; 49:25). • Serve me faithfully and live a blameless life: Being a blessing to the nations required obedience from Abram; his conduct would be guided by Almighty God.”