'Spirit' in the Bible

And he cried out with a powerful voice, saying, "Fallen, fallen [is] Babylon the great, and it has become a dwelling place of demons and a haunt of every unclean spirit and a haunt of every unclean bird and a haunt of every unclean and detested animal.

And I fell down before his feet to worship him, and he said to me, "{Do not do that!} I am a fellow slave of you and of your brothers who hold to the testimony of Jesus. Worship God! For the testimony of Jesus is the spirit of prophecy."

And he carried me away in the Spirit to a great and lofty mountain, and showed me the holy city, Jerusalem, coming down out of heaven from God,

And the Spirit and the bride say, "Come!" And the one who hears, let him say, "Come!" And the one who is thirsty, let him come. The one who wants, let him take the water of life freely.