Musnad Ahmad 8:0

Narrated to us by Muhammad ibn Ja’far, who said: Narrated to us Shu’bah, from Simak ibn Harb, who said: I heard Mus’ab ibn Sa’d narrating from his father, Sa’d ibn Abi Waqqas, that the Messenger of Allah (ﷺ) said: "Indeed, Allah loves the God-fearing, the rich, the hidden (pious) servant."