The Church is the “universal sacrament of salvation”,79 since, united always in a mysterious way to the Saviour Jesus Christ, her Head, and subordinated to him, she has, in God’s plan, an indispensable relationship with the salvation of every human being.80 For those who are not formally and visibly members of the Church, “salvation in Christ is accessible by virtue of a grace which, while having a mysterious relationship to the Church, does not make them formally part of the Church, but enlightens them in a way which is accommodated to their spiritual and material situation. This grace comes from Christ; it is the result of his sacrifice and is communicated by the Holy Spirit”;81 it has a relationship with the Church, which “according to the plan of the Father, has her origin in the mission of the Son and the Holy Spirit”.82…