Imam Ja‘far al-Ṣadiq (as): Verily those who love one another for the sake of God will, on the Day of Resurrection, be on the pulpits of light, and the light of their faces and their bodies and their pulpits will illuminate everything until they are known by it, and then it will be said: "Those are the ones who loved each other for the sake of God." al-Kāfī