Leaving that what does not concern you is from the excellence of Islam
the Messenger of Allah ﷺ said: "Surely, of the excellence of a person's Islam is that he leaves what does not concern him."
قَالَ رَسُولُ اللَّهِ ﷺ: «إِنَّ مِنْ حُسْنِ إِسْلاَمِ الْمَرْءِ تَرْكَهُ مَا لاَ يَعْنِيهِ۔»