As part of our series of theological rejoinders throughout history, we offer our readership a very concise work by Al-Juwayni , which through advanced examples and logical reasoning proves that the Torah and the Gospels have necessarily been falsified. .

Al-Hasan ibn Ayyoüb , wrote a letter to his brother Ali ibn Ayyoûb in which he mentions the reasons for his conversion, but also the proofs of the falsity of the Christian religion and those of the authenticity of Islam. Here is what...