You must not overburden
Al-Kāfi|Volume 8|Book 1|Chapter 522
عَنْهُ عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ عَلِيِّ بْنِ الْحَكَمِ عَنْ عُمَرَ بْنِ حَنْظَلَةَ عَنْ أَبِي عَبْدِ اللَّهِ (عليه السلام) قَالَ يَا عُمَرُ لَا تَحْمِلُوا عَلَى شِيعَتِنَا وَ ارْفُقُوا بِهِمْ فَإِنَّ النَّاسَ لَا يَحْتَمِلُونَ مَا تَحْمِلُونَ.
522. From him, from Ahmad Bin Muhammad, from Ali Bin Al-Hakam, from Umar Bin Hanzala, who has reported the following: Abu Abdullah عليه الصلاة والسلام has said: ‘O Umar, do not place a burden upon our عليه الصلاة والسلام Shites, and be kind to them, for the people cannot bear what you can bear’.
- Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (16/487)
- Ṣaḥīḥ al-Kāfī, vol. 3, p. 407