(Ephesians 2:1-3) AND YOU [He made alive], when you were dead (slain) by [your] trespasses and sins (2) In which at one time you walked [habitually]. You were following the course and fashion of this world [were under the sway of the tendency of this present age], following the prince of the power of the air. [You were obedient to and under the control of] the [demon] spirit that still constantly works in the sons of disobedience [the careless, the rebellious, and the unbelieving, who go against the purposes of God]. (3) Among these we as well as you once lived and conducted ourselves in the passions of our flesh [our behavior governed by our corrupt and sensual nature], obeying the impulses of the flesh and the thoughts of the mind [our cravings dictated by our senses and our dark imaginings]. We were then by nature children of [God's] wrath and heirs of [His] indignation, like the rest of mankind.
(1 Timothy 4:1) BUT THE [Holy] Spirit distinctly and expressly declares that in latter times some will turn away from the faith, giving attention to deluding and seducing spirits and doctrines that demons teach,
(Sprit of God)
(1 Corinthians 2:12) Now we have not received the spirit [that belongs to] the world, but the [Holy] Spirit Who is from God, [given to us] that we might realize and comprehend and appreciate the gifts [of divine favor and blessing so freely and lavishly] bestowed on us by God.
(John 14:17) The Spirit of Truth, Whom the world cannot receive (welcome, take to its heart), because it does not see Him or know and recognize Him. But you know and recognize Him, for He lives with you [constantly] and will be in you.
(1Corinthians 2:4) And my language and my message were not set forth in persuasive (enticing and plausible) words of wisdom, but they were in demonstration of the [Holy] Spirit and power [a proof by the Spirit and power of God, operating on me and stirring in the minds of my hearers the most holy emotions and thus persuading them],