Al-Kāfi
Hadith 16274ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ رَفَعَهُ قَالَ لَيْسَ لله مَنْسَكٌ أَحَبَّ إِلَيْهِ مِنَ السَّعْيِ وَذَلِكَ أَنَّهُ يُذِلُّ فِيهِ الْجَبَّارِينَ.
4. A number of our people have narrated from Sahl ibn Ziyad who in a marfu‘ manner has said the following: “He (the Imam) has said, ‘No act of Hajj is more beloved to Allah than ‘Sa‘y’ because it humbles the tyrants.’”