Page:Keil and Delitzsch,Biblical commentary the old testament the pentateuch, trad James Martin, volume 1, 1885.djvu/182

 of the one in Gen 5,, and differs from it only in form, viz., by giving merely the length of life of the different fathers before and after the birth of their sons, without also summing up the whole number of their years as is the case there, since this is superfluous for chronological purposes. But on comparing the chronological data of the two tables, we find this very important difference in the duration of life before and after the flood, that the patriarchs after the flood lived upon an average only half the number of years of those before it, and that with Peleg the average duration of life was again reduced by one half. Whilst Noah with his 950 years belonged entirely to the old world, and Shem, who was born before the flood, reached the age of 600, Arphaxad lived only 438 years, Salah 433, and Eber 464; and again, with Peleg the duration of life fell to 239 years, Reu also lived only 239 years, Serug 230, and Nahor not more than 148. Here, then, we see that the two catastrophes, the flood and the separation of the human race into nations, exerted a powerful influence in shortening the duration of life; the former by altering the climate of the earth, the latter by changing the habits of men. But while the length of life diminished, the children were born proportionally earlier. Shem begat his first-born in his hundredth year, Arphaxad in the thirty-fifth, Salah in the thirtieth, and so on to Terah, who had no children till his seventieth year; consequently the human race, notwithstanding the shortening of life, increased with sufficient rapidity to people the earth very soon after their dispersion. There is nothing astonishing, therefore, in the circumstance, that wherever Abraham went he found tribes, towns, and kingdoms, though only 365 years had elapsed since the flood, when we consider that eleven generations would have followed one another in that time, and that, supposing every marriage to have been blessed with eight children on an average (four male and four female), the eleventh generation would contain 12,582,912 couples, or 25,165,824 individuals. And is we reckon ten children as the average number, the eleventh generation would contain 146,484,375 pairs, or 292,968,750 individuals. In neither of these cases have we included such of the earlier generations as would be still living, although their number would be by no means inconsiderable, since nearly all the patriarchs from Shem to Terah were alive at the time of Abram's migration. In Gen 11:26