O that you had hearkened to my commandments! then had your peace been as a river, and your righteousness as the waves of the sea:
Read Chapter 48
Ambrose of Milan
AD 397
This water is good, then. I mean here the grace of the Spirit. Who will give this Fountain to my heart? Let it spring up in me, let that which gives eternal life flow on me. Let that Fountain overflow on us and not flow away. For Wisdom says, “Drink water out of your own vessels and from the fountains of your own wells, and let your waters flow abroad in your streets.” How shall I keep this water so that it does not seep out or glide away? How shall I preserve my vessel, lest any crack of sin penetrating it should let the water of eternal life exude? Teach us, Lord Jesus, teach us as you taught your apostles, saying, “Lay not up for yourselves treasures on the earth, where rust and moth destroy and where thieves break through and steal.”
Our rust is wantonness, our rust is lust, our rust is luxury, which dim the keen vision of the mind with the filth of vices. Again, our moth is Arius, our moth is Photinus, who rend the holy vesture of the church with their impiety, and desiring to sep...
Set before yourself any river. It springs from its fountain but is of one nature, of one brightness and beauty. And you assert rightly that the Holy Spirit is of one substance, brightness and glory with the Son of God and with God the Father. I will sum up everything in the oneness of the qualities without any dispute over degrees of greatness. For in this point also Scripture has provided for us. For the Son of God says, “Whoever shall drink of the water that I will give him, it shall become in him a well of water springing up unto everlasting life.” This well is clearly the grace of the Spirit, a stream proceeding from the living Fountain. The Holy Spirit, then, is also the fountain of eternal life.
You observe, then, from his words that the unity of the divine greatness is pointed out and that Christ cannot be denied to be a fountain even by heretics, since the Spirit, too, is called a fountain. The Spirit is called a river, too, just as the Father said, “Behold, I come down on you ...
