Al-Kāfi

Hadith 1334
prayer-etiquette
3ـ مُحَمَّدُ بْنُ يَحْيَى رَفَعَهُ عَنِ الرِّضَا (عَلَيْهِ الْسَّلام) قَالَ الإِمَامُ يَحْمِلُ أَوْهَامَ مَنْ خَلْفَهُ إِلاَّ تَكْبِيرَةَ الافْتِتَاحِ.
3. Muhammad ibn Yahya in a marfu‘ manner has narrated from the following: “Al-Rida (a.s.), has said, ‘An Imam carries and sustains the conjectures of those who are behind him except the opening Takbir (Allah is great beyond description).”’
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī