5:6-20 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.And Enos lived, after he begat Cainan, eight hundred and fifteen years,.... The Septuagint version is seven hundred and fifteen; the hundred which is wanting is to be supplied from the preceding verse, which in that version has an hundred too much:

and begat sons and daughters; others besides Enos, as very likely he had before he was born.