en_tn_lite_do_not_use/jer/30/19.md

Then a song of praise and a sound of merriment will go out from them

"Then they will sing songs of praise and joy"

for I will increase them and not diminish them

"I will cause them to increase in number, not to become fewer"

so they will not be humbled

This can be translated in active form. AT: "so that no one will humble them" (See: rc://en/ta/man/translate/figs-activepassive)