The Prophet said: "A'udhu billahi minal-kufri wad-dain. (I seek refuge with Allah from Kufr and debt.)" A man said: "Are you equating debt with Kufr?" He said: "Yes."
Sunan an-Nasa'i Book 50, Hadith 47
← Previous Hadith "I heard the Messenger of Allah said: 'Yes.'"

Sunan an-Nasa'i Book 50, Hadith 46 Next Hadith → The Messenger of Allah used to say these words in his supplication: "Allahumma inni a'udhu bika min ghalabatid-dain, wa ghalabatil-'aduwwi, wa shamatatil-a'da'. (O Allah, I seek refuge with You from being overwhelmed with debt, from being overpowered by the enemy and from the enemy rejoicing over my misfortunes.)'"

Sunan an-Nasa'i Book 50, Hadith 48