With Water and Word
Here again you see how baptism is to be regarded as precious and important, for in it we obtain such an inexpressible treasure. This indicates that it cannot be simple, ordinary water, for ordinary water could not have such an effect. But the Word does it, and this shows also, as we said above, that God’s name is in it. And where God’s name is, there must also be life and salvation. — Large Catechism