The Mass versus the Lord's Supper

I am not here to say anything unkind against the Roman church. As my friend, Brother O'Hair, has reminded you, our Government guarantees to every man the right to full liberty of conscience in regard to religious privileges. As we wish to enjoy that liberty ourselves, we are glad to accord it to others. But I simply desire to examine some of the teachings of the Church of Rome and compare them with the teaching of the Word of God, particularly on the great central doctrine of that church, which is called the Sacrament of the Blessed Eucharist, or the Sacrament of the Mass.
THE CRUX OF THE MATTER
Every Roman Catholic priest will tell you that all the claims of the Church of Rome stand or fall with the doctrine of the real presence of Christ in the Mass. If the bread and wine used in the Sacrament of the Mass, when consecrated by the priest, are changed in some mysterious way into the body, blood, soul and divinity of our Lord Jesus Christ so that the communicant receiving the bread actually takes into his mouth and eats and digests the body, blood, soul and divinity of our Lord Jesus Christ—if this is true, then the Church of Rome is the true church of Christ and every one of us should be members of it. But if it is false, if it is absolutely opposed to the teaching of the Word of God, then the Church of Rome is an apostate church and every faithful believer should come out of her in order that he might not be held accountable for her sins.
It was because the great reformers of the sixteenth century saw this clearly and were assured in their own hearts that the doctrine of the Church of Rome in regard to the Eucharist or the Mass was absolutely opposed to the Word of God and was not only blasphemous but idolatrous, that they came out in protest against that apostate system and they won for us at tremendous cost of Christian blood the liberty that we now possess. And yet we, unworthy children of such worthy sires, are frittering away our liberty and we are allowing our children to be ensnared again by this evil system from which our fathers escaped with such tremendous effort.