There is no one who understands what is right. Alternate translation: "No one really understands what is right" (See: [[rc://en/ta/man/translate/figs-explicit]])
Here the phrase "seeks after God" means to have a relationship with God. Alternate translation: "No one sincerely tries to have a right relationship with God" (See: [[rc://en/ta/man/translate/figs-explicit]])