Rev 1:7

There are 2 stages to Christ's return.
First is the Rapture.....the taking of the believer's in the twinkling of an eye.

Rev 1:4

Seven is the perfect number and refers to being complete and whole.

Rev 1:3

There is a special blessing for all who read the Revelation.
Those who read it or hear it and those that keep its precepts.

Rev 1:1

The Revelation of Jesus Christ....Christ is the main theme.