"The Messenger of Allah went to the toilet and said: 'Bring me three stones.' So I brought him two stones and a piece of dung. He took the two stones and threw the dung away, saying: 'It is impure.'"
أَنَّ رَسُولَ اللَّهِ ﷺ أَتَى الْخَلاَءَ فَقَالَ ائْتِنِي بِثَلاَثَةِ أَحْجَارٍ فَأَتَيْتُهُ بِحَجَرَيْنِ وَرَوْثَةٍ فَأَخَذَ الْحَجَرَيْنِ وَأَلْقَى الرَّوْثَةَ وَقَالَ هِيَ رِجْسٌ