The debate between Ahmed Deedat and Dr. Anis Shroush is one of the most famous debates of the age, which consists of the total of the interventions of the two parties and the exchange of words between them, which follow a serial requirement of pilgrims, which is based on the duality of the prosecution and the objection, making one party use the fallacy when he finds himself unable to respond The arguments of his opponent, and this has resulted in a clear violation of many of the principles of communication and etiquette of dialogue, and make the debate closed before reaching a harmony between pilgrims