handling ignorance gracefully

خُذِ ٱلْعَفْوَ وَأْمُرْ بِٱلْعُرْفِ وَأَعْرِضْ عَنِ ٱلْجَـٰهِلِينَ

Take what is given freely, enjoin what is good, and turn away from the ignorant.