Read the Bible slowly. Exodus chapter 15.

1. Sin was eliminated in baptism: worldly arrogance, and countless armies on us attacked us for the devil, all of which were eliminated by God in baptism. -Augustine's sermon

2. miriam is a preview of the church: miriam holds a drum in her middle school and leads people to dance with the dignity and simplicity of unmarried women. Please think about it. Whose watch is miriam? She is a virgin. She gathered people in an unpolluted spirit and sang those sacred poems. Isn't she a symbol of the church? -"On the Virgin" by Ann Poirot

Baptism consists of water and Tao: Mara's spring water is the most bitter in the world. Moses threw wood into the water, and the water became sweet. Water is useless for people's future salvation without the main cross. Only by being sanctified by the mystery of salvation of the cross can it be suitable to be a baptismal basin and a salvation cup for spiritual life. Just as the prophet Moses threw wood into a spring, the priest preached the cross of the Lord on the baptismal basin, and the water became sweet because of grace. -Ambrosio's On Mystery