Al-Kāfi

Hadith 1279
prayer-etiquette
4ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ عَلِيِّ بْنِ النُّعْمَانِ عَنْ دَاوُدَ بْنِ فَرْقَدٍ عَنْ يَعْقُوبَ بْنِ شُعَيْبٍ قَالَ قُلْتُ لأَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) أَقْرَأُ فِي التَّشَهُّدِ مَا طَابَ فَلله وَمَا خَبُثَ فَلِغَيْرِهِ فَقَالَ هَكَذَا كَانَ يَقُولُ عَلِيٌّ (عَلَيْهِ الْسَّلام).
4. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ali ibn al-Nu‘man form Dawud ibn Farqad from Ya‘qub ibn Shu’ayb who has said the following: “I once asked abu ‘Abd Allah (a.s.), ‘Can I say in Tashahhud (testimonies of belief), ‘Whatever is good is for Allah and whatever is evil is for those other than Allah?’ He (the Imam) said, ‘That is what Ali (a.s.), would say.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī