Hadith: No Muslim person who, when an obligatory prayer becomes due, perfects its ablution, humility, and bowing except that it becomes an expiation for the sins that preceded it as long as he has not committed a major sin, and this applies to all times - Encyclopedia of Translated Prophetic Hadiths

Hadith: No Muslim person who, when an obligatory prayer becomes due, perfects its ablution, humility, and bowing except that it becomes an expiation for the sins that preceded it as long as he has not committed a major sin, and this applies to all times - Encyclopedia of Translated Prophetic Hadiths