According to Arnold J. Toynbee: "The extinction of race consciousness as between Muslims is one of the outstanding achievements of Islam and in the contemporary world there is, as it happens, a crying need for the propagation of this Islamic virtue."
Menurut Arnold J. Toynbee, "Hilangnya kesadaran ras antar sesama Muslim merupakan salah satu pencapaian luar biasa Islam dan di dunia kontemporer, dan memang sedang terjadi, ada kebutuhan mendesak akan penganjuran kebaikan Islam ini.