chapter 7 seal of the living God

The seal of the living God is alive:

Eph 1:13 … in whom also after that ye believed, ye were sealed with that holy Spirit of promise,

Church is already sealed, and does not need it, Israel has. It's like the blood on the doorposts in Egypt.

The number 144.000 is symbolic. This is too obvious: 12 X 12 X 1000. Is there really exactly 12,000 worthy people in each of the tribes of Israel? Or is God unfair?
This is the fullness of Israel the whole of Israel will be saved (Rom 11:26).

12	– the fullness of Israel	144.000 – the fullness of God's people
12	– the fullness of the Church
1000	– many

Rev 4:8/4:11/5:9/5:11/5:12/7:10/7:12 – 7 times the word WORSHIP occurs.