The value of matrimonial consent in the light of canon 1055 §§1-2 is an essential pastoral tool in the ministry of pastors and pastoral agents in the Catholic Church. The book on the sacrament of marriage occupies the largest portion of the code. The author takes up the challenge to provide an inner depth on the church’s teachings on the sacrament of marriage by looking at the developments from the 1917 Code of canon Law through to the Vatican II Council and thereafter, the promulgation of the 1983 code of canon Law. This book is an endeavor to provide an exposé on the progress in the rotal jurisprudence. Emphasis has bowed down on safeguarding the sacrament of marriage which is brought into being by the exchange of matrimonial consent by a man and woman. The author deals succinctly on the dangers of annulments through the studies on the Signatura Apostolica's past decisions and sentences. Both the 1917 code and the current code have the same definition: “Matrimonium facit partium consensus”. The author uses Can. 1055 §§1-2 to provide a theological, doctrinal and canonical legislation in relation to consortium totius vitae and matrimonial consent.