Al-Jawāb as-Sahīh li-man baddala dīn al-Masīh - Ibn Taimiya - (3/229)

Thus, in this very creed that you have made the cornerstone of your religion, you profess faith in three matters: first, in one God, the Creator of the heavens and the earth, the Creator of all that is seen and unseen. He is the Lord of the Worlds—there is no deity besides Him and no lord other than Him. He is the God of Abraham, Isaac, Jacob, and all the other prophets and messengers. Every messenger called people to worship Him alone without partner, and they forbade the worship of anyone else, as Allah, Exalted is He, says:

“We sent no messenger before you without revealing to him: ‘There is no deity but Me, so worship Me.’” (Al-Anbiya 21:25)

He also says:

“Ask those of Our messengers whom We sent before you: Did We ever permit any gods to be worshipped besides the All-Merciful?” (Az-Zukhruf 43:45)

Then you went on to say: “and in one Lord, Jesus Christ, the only Son of God, begotten of…"

فَفِي هَذِهِ الْأَمَانَةِ الَّتِي جَعَلْتُمُوهَا أَصْلَ دِينِكُمْ ذُكِرَ الْإِيمَانُ بِثَلَاثَةِ أَشْيَاءَ بِإِلَهٍ وَاحِدٍ خَالِقِ السَّمَاوَاتِ وَالْأَرْضِ، خَالِقِ مَا يُرَى وَمَا لَا يُرَى، فَهَذَا هُوَ رَبُّ الْعَالَمِينَ الَّذِي لَا إِلَهَ غَيْرُهُ، وَلَا رَبَّ سِوَاهُ، وَهُوَ إِلَهُ إِبْرَاهِيمَ وَإِسْحَاقَ وَيَعْقُوبَ وَسَائِرِ الْأَنْبِيَاءِ وَالْمُرْسَلِينَ، وَهُوَ الَّذِي دَعَتْ جَمِيعُ الرُّسُلِ إِلَى عِبَادَتِهِ وَحْدَهُ لَا شَرِيكَ لَهُ وَنَهَوْا أَنْ يُعْبَدَ غَيْرُهُ، كَمَا قَالَ اللَّهُ - تَعَالَى -: {وَمَا أَرْسَلْنَا مِنْ قَبْلِكَ مِنْ رَسُولٍ إِلَّا نُوحِي إِلَيْهِ أَنَّهُ لَا إِلَهَ إِلَّا أَنَا فَاعْبُدُونِ} [الأنبياء: ٢٥] . وَقَالَ - تَعَالَى -: {وَسْئَلْ مَنْ أَرْسَلْنَا مِنْ قَبْلِكَ مِنْ رُسُلِنَا أَجَعَلْنَا مِنْ دُونِ الرَّحْمَنِ آلِهَةً يُعْبَدُونَ} [الزخرف: ٤٥] . ثُمَّ قُلْتُمْ: وَبِرَبٍّ وَاحِدٍ يَسُوعَ الْمَسِيحِ ابْنِ اللَّهِ الْوَحِيدِ الْمَوْلُودِ مِنَ