أَرْبَعٌ مِنْ سُنَنِ الْمُرْسَلِينَ: الْحَيَاءُ وَالتَّعَطُّرُ وَالسِّوَاكُ وَالنِّكَاحُ
“Four are from the practices of the Messengers: modesty, the use of perfume, the use of the tooth-stick, and marriage.” (Sunan At-Tirmizi)