Revelation 9:2 And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit. Nave's Topical Index
Library
A Discourse ... hear him, for they know the voice of their Lord (Isaiah 5:20; John 3:20 ... fallen from heaven to the earth, and had received the key of the bottomless pit, and had ... /.../bunyan/the works of john bunyan volumes 1-3/a discourse.htm