أَشَدُّ الغُرْبَةِ غُرْبَةُ المَرْءِ فِي وَطَنِهِ
وَأَعْظَمُ الوَحْشَةِ وَحْشَتُهُ بَيْنَ أَهْلِهِ
The harshest exile is a person's exile in their homeland
And the greatest loneliness is loneliness among one's family
المصدر · Source: Al-Imta' wa'l-Mu'anasa