Musannaf Ibn Abi Shayba 30:142

Abdullah ibn Idris narrated to us, from Abu Khalid, from Qurrah ibn Sharik al-Ijli, from Ibn Sabit, who said: I was informed that to the right of the Most Merciful—and both of His hands are right—are a people upon pulpits of light, their faces are light, and upon them are green garments that overwhelm the eyes of the onlookers. They are neither prophets nor martyrs. They are a people who loved one another for the majesty of Allah at a time when Allah was disobeyed on the earth.