Really? Find me then, in scripture, in light of these passages (Luke 22:25, John 20:21, Matt. 28:19-20, Gal 1:8-9)that the following are required to be believed in order to attain salvation?
Mary gave the Redeemer, the Source of all graces, to the world, and in this way she is the channel of all graces
Mary, the Mother of God, is entitled to the Cult of Hyperdulia.
Christ gave His Church an hierarchical constitution.
The Pope possesses full and supreme power of jurisdiction over the whole Church, not merely in matters of faith and morals, but also in Church discipline and in the government of the Church.
The Pope is infallible when he speaks ex cathedra.
Membership of the (Catholic) Church is necessary for all men for salvation.
Christ becomes present in the Sacrament of the Altar by the transformation of the whole substance of the bread into His Body and the whole substance of the wine into His Blood.
The source of Indulgences is the Church's treasury of satisfaction which consists of superabundant satisfactions of Christ and of the Saints
Are they in the Gospel of John, which certifies in Chap 20 30-31 that which is necessary to have life in Jesus' name is contained in John's Gospel?
Well why are you using the Bible as a basis of attack what is true?