There are no greatest. Everything is equal in God's eyes.
Baptism and Holy Communion.
Baptism and communion
All of the sacraments allow believers to experience God's grace. When sins are confessed and forgiven, believers receive God's grace.
Roman Catholic AnswerBecause seven is the number of sacraments that God has established, and it is always better to follow what God decides than what men decide.
because he wanted us to have salvation through the sacraments
.Roman Catholic AnswerThe two Sacraments of Healing are Confession and Anointing of the Sick; the Sacrament of Ministry would be Holy Orders. I think you could make a case for all of the sacraments being "of ministry" especially baptism, confirmation, Eucharist, Marriage, and Holy Orders.
Protestant churches only recognize two sacraments: Baptism and Communion. Baptism begins one's membership in the Church.
Roman Catholic AnswerGrace from God is primarily given to men in the Sacraments.
God Faith People
All Sacraments are to keep you in Divine Grace, closest to God. Did you have a specific Sacrament?
Sacraments of ServiceCatholic AnswerThe Catechism calls these two sacraments as sacraments directed to the salvation of others, and it is through service to others that the person receiving the sacrament works out his salvation. fromThe Catechism of the Catholic Church, second edition, English translation 19941534 Two other sacraments, Holy Orders and Matrimony, are directed towards the salvation of others; if they contribute as well to personal salvation, it is through service to others that they do so. They confer a particular mission in the Church and serve to build up the People of God.
Actually all sacraments are equally significant. But you can consider 'Baptism' as the most significant because without receiving this sacrament you are not entitled to receive other sacraments.
The rituals are symbolic and the symbols help us to interpret the sacraments so we can get a better understanding of the mystery of God.
To enter into the gate to be saved and follow Christ. Although, God is not bound by the sacraments. Anyone can "enter into the gate" because while God has bound salvation to the sacraments God Himself is not bound. So all in all it doesn't really matter.