en_tn_condensed/psa/083/018.md

Then they will know

This can also be stated as the writer making a request to God. Alternate translation: "Cause them to know"

are the Most High over all the earth

God ruling over everything in the earth is spoken of as if he were elevated higher than everything else. Alternate translation: "are supreme, and you rule all things on the earth" (See: rc://en/ta/man/translate/figs-metaphor)