In the first verse, the text here is "Are Yours, O Lord God, fount of ev'ry blessing" (it continues the sense from the previous line: "Splendor and honor, majesty and power"). The phrase "ev'ry blessing" is sung to notes of all different pitches (F E D C), giving a sense of this breadth.
The third verse is a doxology, ending with "Now and forever," sung to this phrase:
"Forever" is sung to notes that have a combined total of nine beats (a quarter note and two whole notes), and since this is the longest of any word in the entire hymn, there's a sense of this duration.
