Leonard Boyle wrote in 1987 that "too much ... has been made of the 'threat' of Mithraism to Christianity", pointing out that there are only fifty known mithraea in the entire city of Rome.
李奧納多·鮑伊（英语：Leonard Boyle）（Leonard Boyle）他在1987年寫道：“太多了…已經成了密特拉教對於基督教的‘威脅’，（too much ... has been made of the 'threat' of Mithraism to Christianity,）”指出了在整個羅馬市不過是有五十座已知的密特拉寺。