And one of the elders said to me, Weep not;---Behold the lion of the tribe of Juda, the root of David, hath prevailed to open the book, and to loose its seven seals.

The noise

And out of the throne came lightnings, and thunders, and voices: and there were seven lamps of fire burning before the throne; which are the seven spirits of God.

And he cried with a loud voice like the roaring of a lion; and when he had cried, seven thunders uttered their voices.

And the temple of God in heaven was opened, and the ark of his covenant was seen in his temple: and there were lightnings, and voices, and thunderings, and an earthquake, and great hail.

One

And when He opened the second seal, I heard the second animal saying, Come and see.

And before the throne was a sea of glass, like crystal: and in the middle of the throne, and the circle of it, were four animate beings full of eyes before and behind.

for we cannot but speak the things which we have seen and heard.

General references

And when He opened the second seal, I heard the second animal saying, Come and see.