“Descendants as countless as the stars of the sky” (Gen 22:17) seems like an impossible promise for someone in Abraham’s shoes. The stars are practically innumerable, and Abraham was an aging man without an heir. Gazing up at the vast desert sky and contemplating the magnitude of God’s promise must have been overwhelming. If I were in his position, my only response to his promise would be, “Why me, Lord?” Saint Paul’s “vast desert sky” was the number of people [...]