Genesis 5:25

“And Methuselah lived an hundred and eighty and seven years, and beget Lamech.] The Septuagint version is an hundred and sixty seven; the Samaritan only sixty seven; the same names were given to some of the posterity of Seth as were to those of Cain, as Lamech here, and Enoch before.”

“- Section V - The Line to Noah - The Line of Sheth 1. ספר sepher “writing, a writing, a book.” 9. קינן qēynān, Qenan, “possessor, or spearsman.” 12. מהללאל mahelal'ēl, Mahalalel, “praise of ‘El.” 15. ירד yerĕd, Jered, “going down.” 21. מתוּשׁלה metûshālach, Methushelach, “man of the missile.” 29. נה noach, Noach, “rest,” נחם nācham “sigh; repent; pity; comfort oneself; be revenged.” 32. שׁם shēm, Shem, “name, fame; related: be high.” חם chām Cham, “hot.” יפת yāpet, Japheth, “spreading; related: spread out.” We now enter upon the third of the larger documents contained in Genesis. The first is a diary, the second is a history, the third a genealogy. The first employs the name אלהים…”

“Methuselah signifies, He dies, there is a sending forth, viz. of the deluge, which came the very year that Methuselah died. If his name was so intended, it was a fair warning to a careless world long before the judgment came. However, this is observable, that the longest liver that ever was, carried death in his name, that he might be minded of its coming surely, tho' it came slowly. He lived nine hundred sixty and nine years, the longest we read of that ever any man lived on earth, and yet he died: the longest liver must die at last. Neither youth nor age will discharge from that war, for that is the end of all men: none can challenge life by long prescription, nor make that a plea against…”

“am 874, bc 3130, Gen 4:18 *marg. Genesis 5:26”