Musnad Ahmad 30:2537

Yahya narrated to us, from Ubaydullah, who said: Khubayb ibn Abd al-Rahman narrated to me, from Hafs ibn Asim, from Abu Hurayrah, from the Prophet, peace and blessings of Allah be upon him, who said: "Seven [people] Allah will shade with His shade on a day when there is no shade except His shade: the just leader; a youth who grew up in the worship of Allah; a man whose heart is attached to the mosques; two men who loved each other for the sake of Allah the Almighty, meeting upon it and parting upon it; a man who gave charity and hid it, such that his left hand does not know what his right hand spends; a man who remembered Allah in solitude, so his eyes overflowed; and a man whom a woman of status and beauty invited to herself, and he said: 'I fear Allah the Almighty.'"