What it means
The psalmist does not deny his sadness; he interrogates it, then preaches to himself. Hope here is a decision spoken to a downcast soul, with a small, stubborn yet.
Psalms 42 and 43 are one lament; this refrain appears three times. The writer is far from the temple, remembering worship he cannot now reach.
Where it addresses you
Sadness has settled over you and will not lift.
You need to talk to yourself rather than listen to yourself.
Found in Grief & Lament, The Psalms, Hope.