Yahweh continues speaking to the people of Israel.

## when you pass through the waters...nor will the flames harm you ##

God means that he will be with the people of Israel no matter what difficult situations they experience.  (See: [[rc://en/ta/man/translate/figs-metaphor]])

## Seba ##

This is the name of a nation. (See: [[rc://en/ta/man/translate/translate-names]])