THEOSISJerome of Stridon
I diligently examine the Scriptures to find the earliest mentions of advanced age. Adam lived for 930 years yet was not referred to as old (See Gen. 5:5). Methuselah reached the age of 969 years but similarly was not designated as old (See Gen. 5:27). I continue my search through the period of the flood and the following centuries, unearthing no instances of anyone being called old for nearly three millennia. It is Abraham who is first identified as old, and it is noteworthy that he was considerably younger than Methuselah in years. However, he is referred to as old because his later years were richly anointed with blessings. It is specifically recorded that “Abraham died in a good old age, an old man, and full of years” (cf. Gen. 25:8 (LXX)).
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Thus, in a good old age—one full of days—his entire life was marked by daylight rather than darkness.
The commentaries of the Seventy should refrain from adding that “Abraham died when he became weak,” as it was inappropriate for Abraham to weaken or tire. Furthermore, the Greek texts replace the phrase “in a good old age, aged and filled” with “filled with days.” While this modification may seem to clarify the meaning by suggesting that Abraham rested being full of “life and the works of days,” the straightforward reading of “filled” is more beneficial for revealing the deeper spiritual significance.