Musnad Abu Ya'la al-Mawsili 152:281

Bishr ibn al-Walid narrated to us, Sharik narrated to us, from al-Rukin, from his father, from Abdullah—or he said: from Ibn Mas'ud—who attributed it to the Prophet (ﷺ), he said: "Usury, even if it is much, its end will result in little."