And Seth lived an hundred and five years, and begat Enos: And Seth lived after he begat Enos eight hundred and seven years, and begat sons and daughters: And all the days of Seth were nine hundred and twelve years: and he died.
And Enos lived ninety years, and begat Cainan: And Enos lived after he begat Cainan eight hundred and fifteen years, and begat sons and daughters: And all the days of Enos were nine hundred and five years: and he died. And Cainan lived seventy years and begat Mahalaleel: And Cainan lived after he begat Mahalaleel eight hundred and forty years, and begat sons and daughters: And all the days of Cainan were nine hundred and ten years: and he died.
And Mahalaleel lived sixty and five years, and begat Jared: And Mahalaleel lived after he begat Jared eight hundred and thirty years, and begat sons and daughters: And all the days of Mahalaleel were eight hundred ninety and five years: and he died.
And Jared lived an hundred sixty and two years, and he begat Enoch: And Jared lived after he begat Enoch eight hundred years, and begat sons and daughters: And all the days of Jared were nine hundred sixty and two years: and he died.
Genesis 5 : 6 -20 (King James Version)
“Concerning each of these, except Enoch, it is said, “and he died.” It is well to observe the deaths of others.
They all lived very long; not one of them died till he had seen almost eight hundred years, and some of them lived much longer; a great while for an immortal soul to be prisoned in a house of clay. The present life surely was not to them such a burden as it commonly is now, else they would have been weary of it.
Nor was the future life so clearly revealed then, as it now under the gospel, else they would have been urgent to remove to it. All the patriarchs that lived before the flood, except Noah, were born before Adam died.
From him they might receive a full account of the creation, the fall, the promise, and the Divine precepts about religious worship and a religious life. Thus God kept up in his church the knowledge of his will.”#
#Taken From Matthew Henry’s Concise Commentary.