General Information:

The person who composed this psalm continues to speak.

My soul can return to its resting place

The writer speaks of having peace and confidence as if it were a place where his soul can rest. The word "soul" represents the person. Alternate translation: "I can rest in peace again" (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-synecdoche)