Twelve aspects of the age to come in Isaiah:

The earth is dramatically altered, then restored – 35:1-2

Jerusalem becomes the capitol of the world – 2:2-4; 56:6-8

Jesus the Messiah reigns as King in Jerusalem – 2:14; 9:6-7; 32:1-8

Earth is filled with the knowledge of Yahweh – 11:9; 29:22-24; 52:10

Righteousness, equity, and justice will prevail – 9:6-7; 32:16-18; 16:5; 32:1

Peace will permeate the world 2:4; 32:17-18; 60:17-22; 65:21-23; 66:10-13

Animal kingdom will radically change – 11:6-7; 65:25

David will be vice regent – 55:3-4

Israel and Judah will reunite and dwell in the land of Israel – 11:12-16

People will have long lives – 65:20

Deliverance for the poor and needy – Isaiah 11:3-4; 29:17-19; 35:1-10

There will be joy, rejoicing, and singing – Isaiah 12:1-6; 25:6-9; 26:1-4; 35:10; 42:10-12; 51:3, 11; 52:8-9; 12:1ff; 61:3, 7, 10, 11