This book reveals the mistakes of the feet linguists, and the best of the research on this topic "Peter Gabriel Yusuf Awad", known as Father, Anastas Al -Carmeli, who is a Christian cleric, linguistic, Iraqi - Lebanese ", put important books and research in Arabic in which he sees that the exit on Arabic is a mistake that cannot His acceptance. He was calling for linguistic correction and the preservation of the Arabic language, and he wrote a lexicon he called (the assistant). For the sum of the serial articles published in the year 1932, entitled "The Elders of the Senior Linguists" in the Egyptian newspaper Al -Ahram, which are important critical articles for Arab and Egyptian writers that dealt with Father Anastas Al -Karmeli