Al-Kāfi
Hadith 16929ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ عَلِيِّ بْنِ أَسْبَاطٍ عَمَّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ مَنْ سَرَّهُ أَنْ يُسْتَجَابَ لَهُ دَعْوَتُهُ فَلْيُطِبْ مَكْسَبَهُ.
9. A number of our people have narrated from Sahl ibn Ziyad from Ali ibn Asbat from those whom he has mentioned (in his book) from Abu ‘Abdillah (a.s.) who has said the following: “Abu ‘Abd Allah (a.s.) has said, ‘Whoever of you wants his prayer answered must make his earning clean.’”