Catechesis: Baptism

But in the first place we take up Baptism, by which we are received into the Christian Church. IV.2

So also I can boast that Baptism is no human plaything, but it is instituted by God Himself. Furthermore, Baptism is most solemnly and strictly commanded so that we must be baptized or we cannot be saved. IV.6

To be baptized in God's name is to be baptized not by men, but by God Himself. Therefore, although it is performed by human hands, it is still truly God's own work. IV.10

Therefore, Baptism is not only natural water, but a divine, heavenly, holy, and blessed water, and whatever other terms we can find to praise it. This is all because of the Word, which is a heavenly, holy Word, which no one can praise enough. IV.17