What does the Bible teach about the oneness of God? How can God have a son? Is the doctrine of trinity illogical? Why do Muslims reject doctrine of trinity? Does the Quran really teach that Allah is One? Does the Bible teach the doctrine of trinity? Is the Christian concept of God wrong? Is Allah mentioned in the Bible? Is Allah of the Quran same as God of the Bible? Are Allah and the God of Christianity the same? Nabeel Qureshi answers. Muslims do not believe the Holy Spirit is God Quran teaches that Allah is the best of deceivers What is God like?