Genesis 23:1, How Old was Isaac When He was Offered as Sacrifice?

And Sarah was an hundred and seven and twenty years old: these were the years of the life of Sarah.

//Today’s question is a good one. Since Abraham loaded Isaac with wood to carry, we know he wasn’t a child.

Most artwork pictures him as a teenager. Jewish tradition in the book of Jubilees agrees, saying he was fifteen (Jubilees 17:15-16). Another midrashic calculation makes him twenty-six (Gen. Rab. 56:8). But the most logical calculation, if we follow scripture, is a bit different.

When Genesis...