Revelation 6:1
Then I watched as the Lamb opened one of the seven seals, and I heard one of the four living creatures say in a voice like thunder, “Come!”
What it says
The Lamb opens the first seal, and a living creature thunders the summons to come.
What it is doing
This verse establishes that the first movement begins only through the Lamb's action.
In context
1Then I watched as the Lamb opened one of the seven seals, and I heard one of the four living creatures say in a voice like thunder, “Come!” 2So I looked and saw a white horse, and its rider held a bow. And he was given a crown, and he rode out to overcome and conquer.