Sacraments are outward signs of inward grace, instituted by Christ for our sanctification (Catechismus concil. Trident., n.4, ex S. Aug. “De Catechizandis rudibus”).
I don’t know if any one else has read Scott Hahn’s book Swear to God, but it is an excellent explanation on the meaning and the power of the Sacraments of the Church. It is a definite must read for anyone who as questions about them.
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