en_tn/isa/17/10.md

For you have forgotten

Here "you" refers to the people of Israel. The word "forgotten" does not mean they have no memory of God. It means they no longer obey him. AT: "For you no longer obey"

the God of your salvation

"the God who saves you"

and have ignored the rock of your strength

This compares God to a rock. This emphasizes his strength and ability to protect. (See: rc://en/ta/man/translate/figs-metaphor)