Seven Sacraments of the Catholic Church

There are seven sacraments administered in the Catholic Church. What are they, and what do they do? Why do human beings require sacramentalized, visible realities to seal their confession of faith in Jesus Christ? Why does the Catholic Church administer the sacraments in the way that it does?

Leading Catholic theologian Romanus Cessario, OP, offers an in-depth explanation of the seven sacraments ce...