The most important aspect of Catholic worship is the celebration of the Mass. The Mass is the sum and summit of our devotional life. It was instituted by Christ to give praise, worship, and honor to God. The Mass is where the faithful re-present to God the eternal sacrifice made on our behalf by His Son Jesus. We do not gather in order to focus on ourselves or what "moves" us. Worship is not about us, it's about recognizing the source of our redemption. It is about what Jesus did on the cross and what His resurrection means for humanity. The irony is that in honoring God, it does indeed serve to refresh us. This is because we are fulfilling the very reason for which we were created - to worship our Creator.
The Mass contains two main parts, 1/Liturgy of the Word - 2/Liturgy of the Eucharist. These two parts are celebrated with a focus on four separate concentrations:
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