Augustine of Hippo

"Sing unto the Lord, bless His Name: be telling good tidings of His salvation from day to day" (ver. 2). How doth the building increase? "Be telling," he saith, "good tidings of His salvation from day to day." Let it be preached from day to day; from day to day, he saith, let it be built; let My house, saith God, increase. And as if it were said by the workmen, Where dost Thou command it to be built? Where dost Thou will Thy house to increase? Choose for us some level, spacious spot, if Thou wish an ample house built Thee. …

Exposition on Psalm 96 ↗

Jerome

Sing to the Lord, bless his name. The name of the Lord is Savior, from the fact that he was made for us. Sing to the Lord. Proclaim day from day his salvation. What does it mean to say: Proclaim day from day his salvation? The simple man understands it thus: On all days praise the Lord — that is, let day succeed to day — that is, you have praised today, praise tomorrow also. The sense indeed seems simple; but to me it seems that something else of the mystery lies hidden. Proclaim day from day his salvation. …

Homily 23, on Psalm 95 ↗

Bede

"A savior who is Christ the Lord has been born to you today in the city of David." It is good that [the angel] said "has been born today" and did not say "this night," for with heavenly light he appeared to those who were conducting the watch by night and brought the good news that day was born, namely, the one concerning whom the psalmist foretold, saying, "Announce well his salvation day from day." Indeed the salvation of God, that is, the Lord Jesus, is "day from day" because he who appeared temporally in the city of David as a …

Homilies on the Gospels 1:6 ↗