When God was delivering the Israelites from Egyptian slavery, they were told: “I am Jehovah, who is leading you up out of the land of Egypt to prove myself God to you, and you must be holy, because I am holy. ”
وَكَشُهُودٍ لِيَهْوَهَ ،‏ يَلْزَمُ أَنْ نَكُونَ نَحْنُ أَيْضًا قُدُّوسِينَ .‏