"The Messenger of Allah used to say: 'Allahumma, inni a'udhu bika min sharri ma 'amiltu wa min sharri ma lam a'mal ba'd (O Allah, I seek refuge with You from the evil of what I have done and from the evil of what I have not done yet.)'"
Sunan an-Nasa'i Book 50, Hadith 99
← Previous Hadith "I asked the Mother of the Believers 'Aishah about what the Messenger of Allah used to say in his supplication. She said: 'He used to say: A'udhu bika min sharri ma 'amiltu wa min sharri ma lam a'mal ba'd (I seek refuge with You from the evil of what I have done and the evil of what I have not done yet.)'"

Sunan an-Nasa'i Book 50, Hadith 98 Next Hadith → "I asked 'Aishah: 'Tell me of something that the Messenger of Allah used to say: Allahumma, inni a'udhu bika min sharri ma 'amiltu wa min sharri ma lam a'mal ba'd (O Allah, I seek refuge with You from the evil of what I have done and from the evil of what I have not done.)'"

Sunan an-Nasa'i Book 50, Hadith 100