Purity Is Half of Faith

Cleanliness is half of faith itself, while remembrance of Allah is described as filling the scale of good deeds.

Sahih Muslim 223
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Hadith

Abu Malik at-Ash'ari reported:

The Messenger of Allah (ﷺ) said: Cleanliness is half of faith and al-Hamdu Lillah (all praise and gratitude is for Allah alone) fills the scale, and Subhan Allah (Glory be to Allah) and al-Hamdu Lillah fill up what is between the heavens and the earth, and prayer is a light, and charity is proof (of one's faith) and endurance is a brightness and the Holy Qur'an is a proof on your behalf or against you. All men go out early in the morning and sell themselves, thereby setting themselves free or destroying themselves.

حَدَّثَنَا إِسْحَاقُ بْنُ مَنْصُورٍ، حَدَّثَنَا حَبَّانُ بْنُ هِلاَلٍ، حَدَّثَنَا أَبَانٌ، حَدَّثَنَا يَحْيَى، أَنَّ زَيْدًا، حَدَّثَهُ أَنَّ أَبَا سَلاَّمٍ حَدَّثَهُ عَنْ أَبِي مَالِكٍ الأَشْعَرِيِّ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ الطُّهُورُ شَطْرُ الإِيمَانِ وَالْحَمْدُ لِلَّهِ تَمْلأُ الْمِيزَانَ ‏.‏ وَسُبْحَانَ اللَّهِ وَالْحَمْدُ لِلَّهِ تَمْلآنِ - أَوْ تَمْلأُ - مَا بَيْنَ السَّمَوَاتِ وَالأَرْضِ وَالصَّلاَةُ نُورٌ وَالصَّدَقَةُ بُرْهَانٌ وَالصَّبْرُ ضِيَاءٌ وَالْقُرْآنُ حُجَّةٌ لَكَ أَوْ عَلَيْكَ كُلُّ النَّاسِ يَغْدُو فَبَائِعٌ نَفْسَهُ فَمُعْتِقُهَا أَوْ مُوبِقُهَا ‏"‏ ‏.‏

Reference

Ranking

Sahih — recorded by Muslim. See grading on Sunnah.com