John Gills Exposition of the Bible Commentary - Genesis 5:21
And Enoch lived sixty and five years, and begat Methuselah. Here the Septuagint version adds again an hundred years; and that Enoch had a son, whose name was Methuselah, is affirmed by Eupolemus F18 Apud Euseb. Evangel. Praepar. l. 9. c. 17. p. 419. , an Heathen writer; and Enoch being a prophet gave him this name under a spirit of prophecy, foretelling by it when the flood should be; for his name, according to Bochart F19 Thaleg. l. 2. c. 13. Colossians 88 . so Ainsworth. ,... read more
Matthew Henry's Complete Commentary - Genesis 5:21-24
The accounts here run on for several generations without any thing remarkable, or any variation but of the names and numbers; but at length there comes in one that must not be passed over so, of whom special notice must be taken, and that is Enoch, the seventh from Adam: the rest, we may suppose, did virtuously, but he excelled them all, and was the brightest star of the patriarchal age. It is but little that is recorded concerning him; but this little is enough to make his name great, greater... read more