عَن جَابِرٍ قَالَ: كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يُعَلِّمُنَا التَّشَهُّدَ كَمَا يُعَلِّمُنَا السُّورَةَ من الْقُرْآن: «بِسم الله وَبِاللَّهِ التَّحِيَّاتُ لِلَّهِ وَالصَّلَوَاتُ وَالطَّيِّبَاتُ السَّلَامُ عَلَيْكَ أَيُّهَا النَّبِيُّ وَرَحْمَةُ اللَّهِ وَبَرَكَاتُهُ السَّلَامُ عَلَيْنَا وَعَلَى عِبَادِ اللَّهِ الصَّالِحِينَ أَشْهَدُ أَنْ لَا إِلَهَ إِلَّا اللَّهُ وَأَشْهَدُ أَنَّ مُحَمَّدًا عَبْدُهُ وَرَسُولُهُ أَسْأَلُ اللَّهَ الْجَنَّةَ وَأَعُوذُ بِاللَّهِ مِنَ النَّارِ» . رَوَاهُ النَّسَائِيّ

Nafi‘ said that when ‘Abdallah b. ‘Umar sat during the prayer he placed his hands on his knees, pointed with his finger and gave his whole attention to it. He then said that God’s Messenger had said, “It has a more severe effect on the devil than iron,” meaning the forefinger. Ahmad transmitted it.