Musannaf Ibn Abi Shayba 33:1475

'Affan narrated to us, he said: Zurayt ibn Abi Zurayt narrated to us, he said: I heard al-Hasan saying: "O son of Adam, you are looking at your deeds, both their good and their evil. Do not belittle anything of good, even if it is small, for when you see it, its place will please you. And do not belittle anything of evil, for when you see it, its place will distress you. May Allah have mercy on a servant who earns lawfully, spends moderately, and directs surplus wealth. Direct these surpluses where Allah has directed them, and place them where Allah has commanded them to be placed. For those who came before you used to ransom themselves with their surplus wealth for the sake of Allah. Indeed, this death has harmed the world and exposed it. By Allah, no person of intellect has found joy in it since."