وَبِإِسْنَادِهِ لَوْ اطَّلَعَ فِي بَيْتِکَ أَحَدٌ وَلَمْ تَأْذَنْ لَهُ خَذَفْتَهُ بِحَصَاةٍ فَفَقَأْتَ عَيْنَهُ مَا کَانَ عَلَيْکَ مِنْ جُنَاحٍ
صحیح بخاری · Hadith 6888
And added, "If someone is peeping (looking secretly) into your house without your permission, and you throw a stone at him and destroy his eyes, there will be no blame on you."