Revelation 4:6; Revelation 5:1

Revelation 4:6

6 Also in front of the throne there was what looked like a sea of glass, clear as crystal. In the center, around the throne, were four living creatures, and they were covered with eyes, in front and in back.

Revelation 5:1

1 Then I saw in the right hand of him who sat on the throne a scroll with writing on both sides and sealed with seven seals.