Hadith
حَدَّثَنَا أَبُو سَعِيدٍ عَبْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا أَبُو خَالِدٍ الأَحْمَرُ، قَالَ سَمِعْتُ مُجَالِدًا، يَذْكُرُ عَنِ الشَّعْبِيِّ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ كُنَّا عِنْدَ النَّبِيِّ ـ صلى الله عليه وسلم ـ فَخَطَّ خَطًّا وَخَطَّ خَطَّيْنِ عَنْ يَمِينِهِ وَخَطَّ خَطَّيْنِ عَنْ يَسَارِهِ ثُمَّ وَضَعَ يَدَهُ فِي الْخَطِّ الأَوْسَطِ فَقَالَ " هَذَا سَبِيلُ اللَّهِ " . ثُمَّ تَلاَ هَذِهِ الآيَةَ {وَأَنَّ هَذَا صِرَاطِي مُسْتَقِيمًا فَاتَّبِعُوهُ وَلاَ تَتَّبِعُوا السُّبُلَ فَتَفَرَّقَ بِكُمْ عَنْ سَبِيلِهِ} .
Jabir bin 'Abdullah said that:We were with the Prophet (ﷺ), and he drew a line (in the sand), then he drew two lines to its right and two to its left. Then he put his hand on the middle line and said : 'This is the path of Allah. Then he recited the Verse: And verily, this (i.e. Allah's Commandments) is My straight path, so follow it and follow not (other) paths, for they will separate you from His path
Sahih · Al-Albani
Sunan Ibn Majah 11·Also available on sunnah.com·