Reference: Daemon
Easton
the Greek form, rendered "devil" in the Authorized Version of the New Testament. Daemons are spoken of as spiritual beings (Mt 8:16; 10:1; 12:43-45) at enmity with God, and as having a certain power over man (Jas 2:19; Re 16:14). They recognize our Lord as the Son of God (Mt 8:20; Lu 4:41). They belong to the number of those angels that "kept not their first estate," "unclean spirits," "fallen angels," the angels of the devil (Mt 25:41; Re 12:7-9). They are the "principalities and powers" against which we must "wrestle" (Eph 6:12).
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And when it was evening they brought him many demoniacs, and he cast out the spirits with a word, and cured all that were sick,
And Jesus said to him, The foxes have holes, and the birds of heaven have places of shelter, but the Son of man has not where to lay his head.
AND calling his twelve disciples, he gave them power over impure spirits to cast them out, and to cure every disease and every infirmity.
But when the impure spirit has gone out of a man, it goes through dry places seeking a rest, and finds none. Then it says, I will return to my house from which I went out; and coming, it finds it empty, swept, and adorned. read more. Then it goes and takes with itself seven other spirits worse than itself, and they enter in and dwell there; and the last state of that man is worse than the first. So shall it be also with this evil generation.
Then shall he say to those on his left hand, Depart from me accursed, into the eternal fire prepared for the devil and his angels.
and demons also went out of many, crying and saying, You are the Son of God! And he rebuked them, and charged them not to say that they knew him to be the Christ.
for our conflict is not against flesh and blood, but against principalities, against powers, against the potentates of the darkness of this world, against the spiritual [hosts] of evil in the heavenly [worlds].
You believe that there is one God? You do well; demons also believe and tremble.
And there was a war in heaven, Michael and his angels fighting with the dragon. And the dragon fought and his angels, and were not strong, neither was their place found any longer in heaven. read more. And the great dragon, the old serpent, who is called the devil and Satan, and who deceives all the world, was cast to the earth, and his angels were cast [to the earth] with him.