Here's a brief commentary on the Sunday readings
FIRST READING: Isaiah 11:1-10
The Messiah as "the Branch"
On that day, a shoot shall sprout from the stump of Jesse,Here we have a prophecy that played a pivotal role in the development of Israel's messianic hopes. While the term "messiah" is not specifically used, ancient Jews clearly linked this passage to such expectations (cf. 1 Enoch 49:3, which links the passage to the Danielic "son of man"; cf. also later rabbinic tradition, Gen. Rab. 97; Ruth Rab. 8:2). Many of the themes that appear were clearly associated with the messianic age (e.g., the age of justice, the inclusion of Gentiles, etc.)
and from his roots a bud shall blossom.
Specifically, the prophecy here alludes to the apparent non-fulfillment of God's promise to David. Let me explain.