ENOfficial
Ahmad transmitted on the authority of `Ali (RAA): "The earth (dust) has been made for me as a means for purification."
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَلِيٍّ - رضى الله عنه - عِنْدَ أَحْمَدَ: { وَجُعِلَ اَلتُّرَابُ لِي طَهُورًا } 1 .
sunnah.com