On the question why certain Names in the Holy Scriptures are changed

A TREATISE ON THE QUESTION WHY CERTAIN NAMES IN THE HOLY SCRIPTURES ARE CHANGED

[1] [cap.1] "Abraham was ninety and nine years old; and the Lord appeared unto Abraham, and said unto him, I am thy God." ^[1] The number of nine, when added to the number ninety, is very near to a hundred; in which number the self-taught race shone forth, namely Isaac, the most excellent joy of all enjoyments; for he was born when his father was a hundred years old.