Nahj al-Balāgha

Hadith 1468
congregational-prayer
وَصَلُّوا بِهِمْ صَلَاةَ أَضْعَفِهِمْ، وَلَا تَكُونُوا فَتَّانِينَ.
Say the prayers with the people as the weakest of them would do and do not be a source of trouble to them.
Source: al-Sharīf al-Raḍī