"The Messenger of Allah said: 'Allahumma inni a'udhu bika minal-ju'I, fa innahu bi'sad-daji'u, wa a'udhu bika minal-khiyanati, fa innahu bi'satil-bitanah (O Allah, I seek refuge in You from hunger, for it is a bad companion, and I seek refuge with You from treachery, for it is a bad thing to hide in one's heart.)'"
Sunan an-Nasa'i Book 50, Hadith 41