Sulaiman bin Khatir al-'Abdi سليمان بن كثير العبدي · The Chapters on Business Transactions

The one who has the most concerns is the believer who is concerned about both his worldly affairs and his Hereafter."' (Da'if)Abu 'Abdullah said: "This Hadith is Gharib' Isma'il, alone, has narrated it."