Adapting to others' manners ensures safety from harm
Nahj al-Balāgha|Volume 1|Book 3|Chapter 401
۴۰۱. وَقَالَ (عليه السلام): مُقَارَبَةُ النَّاسِ فِي أَخْلاَقِهِمْ أَمْنٌ مِنْ غَوَائِلِهِمْ.
401. Amīr al-mu’minīn, peace be upon him, said: Nearness with people in their manners brings about safety from their evil.