Adam Clarke's Commentary on the Bible - Genesis 12:4
And Abram was seventy and five years old - As Abram was now seventy-five years old, and his father Terah had just died, at the age of two hundred and five, consequently Terah must have been one hundred and thirty when Abram was born; and the seventieth year of his age mentioned Genesis 11:26 , was the period at which Haran, not Abram, was born. See on Genesis 11 (note). read more
Adam Clarke's Commentary on the Bible - Genesis 12:3
In thee - In thy posterity, in the Messiah, who shall spring from thee, shall all families of the earth be blessed; for as he shall take on him human nature from the posterity of Abraham, he shall taste death for every man, his Gospel shall be preached throughout the world, and innumerable blessings be derived on all mankind through his death and intercession. read more