en_obs-tn/content/28/08.md

said, “It is impossible for people to save themselves. But nothing is impossible for God to do.”

This is a direct quotation. It can be stated as an indirect quotation: “said that it is impossible for people to save themselves, but nothing is impossible for God to do.” (See: rc://en/ta/man/translate/figs-quotations)

nothing is impossible for God to do

This could also be translated as: “God is able to do anything, even save a rich person” or “God is able to do impossible things, so he can save even a rich person.”