The Messenger of Allah used to say: "Allahumma, inni a'udhu bika minal-faqri wa a'udhu bika min al-qillati wadh-dhillati, wa a'udhu bika an azlima aw uzlam (O Allah, I seek refuge with you from poverty, I seek refuge with You from want and humiliation, and I seek refuge with You from wronging others or being wronged.)" Al-Awza'I contradicted him.
Sunan an-Nasa'i Book 50, Hadith 33