Al-Kāfi

Hadith 988
worship
13ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ عَبْدِ الله بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ أَبِيهِ عَنْ عَبْدِ الله بْنِ الْمُغِيرَةِ عَنِ السَّكُونِيِّ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ قَالَ رَسُولُ الله (صلّى اللهُ عَلَيْهِ وَآلِه) الصَّلاَةُ مِيزَانٌ مَنْ وَفَّى اسْتَوْفَى.
13. Muhammad ibn Yahya has narrated from ‘Abd Allah ibn Muhammad ibn ‘Isa from his father from ‘Abd Allah ibn al-Mughirah from al-Sakuniy from Abu 'Abdillah (AS) who said: “The Messenger of Allah (sw) said, ‘Salah (prayer) is a balance. Whoever maintains it balanced receives his part properly balanced.
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī