As He has mentioned in the Quran: "But no, by your Lord, they can have no faith until they make you [Muhammad] as a judge between them in all their disputes, and find in themselves no resistance against your decisions, and accept with full submission [Islam]."
Sababtoo ah Illaahay waxa uuna yiri “ Eebahaa ayaan ku dhaartee, ma rumeeyaan intay kugu xukuntamaan waxa dhex mara oyna ka helin naftooda dhib, waxaad xukuntay ooy hogaansamaan hogaansi” (Surat Al Nisa, verse 65) [Koranic verse] .