Originally Answered: How am I able to tell the difference between my own thoughts in my head and voices of spirits?
Spirits will speak through your own inner voice, or more likely, they will just throw ideas into your mind and you can easily interpret it as intuition. Usually, you just know that the thought, sentence, idea, etc, is sent from a spirit or higher dimensional being.-Rodney Tavares. Quora Website.
Finite creature “spirits speak telepathically” to fleshly brains, God the Holy Spirit bears witness by-passing the flesh entirely, communing directly to our spirit. Communication from God will manifest itself by remembrance of scripture (John 14:26; 16:13), insight into its context or events (1 John 2:20; 1 Cor. 2:9-16; or a “knowing through our conscience” (Rom. 9:1; 1 Th. 4:9).
16 The Spirit Himself bears witness with our spirit that we are children of God,
1 I tell the truth in Christ, I am not lying, my conscience also bearing me witness in the Holy Spirit, (Rom. 8:16; 9:1 NKJ)
Demons telepathically inject words and ideas into flesh brains, and they can mimic a person’s “inner voice” and deceive people from believing the Gospel of Christ:
11 “Now the parable is this: The seed is the word of God.
12 “Those by the wayside are the ones who hear; then the devil comes and takes away the word out of their hearts, lest they should believe and be saved. (Lk. 8:11-12 NKJ)
The essential difference: God bears witness to our conscience (spirit) but demons can only speak to carnal flesh. That conclusion is implied in both Romans 8:4-16 and 2 Corinthians 4:2-4 contexts:
4 that the righteous requirement of the law might be fulfilled in us who do not walk according to the flesh but according to the Spirit.
5 For those who live according to the flesh set their minds on the things of the flesh, but those who live according to the Spirit, the things of the Spirit.
6 For to be carnally minded is death, but to be spiritually minded is life and peace.
7 Because the carnal mind is enmity against God; for it is not subject to the law of God, nor indeed can be.
8 So then, those who are in the flesh cannot please God.
9 But you are not in the flesh but in the Spirit, if indeed the Spirit of God dwells in you. Now if anyone does not have the Spirit of Christ, he is not His.
10 And if Christ is in you, the body is dead because of sin, but the Spirit is life because of righteousness.
11 But if the Spirit of Him who raised Jesus from the dead dwells in you, He who raised Christ from the dead will also give life to your mortal bodies through His Spirit who dwells in you.
12 Therefore, brethren, we are debtors– not to the flesh, to live according to the flesh.
13 For if you live according to the flesh you will die; but if by the Spirit you put to death the deeds of the body, you will live.
14 For as many as are led by the Spirit of God, these are sons of God.
15 For you did not receive the spirit of bondage again to fear, but you received the Spirit of adoption by whom we cry out, “Abba, Father.”
16 The Spirit Himself bears witness with our spirit that we are children of God, Rom. 8:4-17 NKJ)
2 But we have renounced the hidden things of shame, not walking in craftiness nor handling the word of God deceitfully, but by manifestation of the truth commending ourselves to every man’s conscience in the sight of God.
3 But even if our gospel is veiled, it is veiled to those who are perishing,
4 whose minds the god of this age has blinded, who do not believe, lest the light of the gospel of the glory of Christ, who is the image of God, should shine on them. (2 Cor. 4:2-4 NKJ)
During the apostolic age the Holy Spirit might speak to the apostles to their ears in a theophany, not telepathically to their brains:
As they ministered to the Lord and fasted, the Holy Spirit said, “Now separate to Me Barnabas and Saul for the work to which I have called them.” (Acts 13:2 NKJ)
Christians must never confuse the voice of the Tempter with that of God. God cannot harbor an evil thought to communicate it to others because He is pure light without any shadow of darkness, i.e., “Holy Holy Holy” (Isa. 6:3; Rev. 4:8). Therefore, it is impossible God tempt to evil.
It be Demons who tempt to evil, telepathically luring prey by inciting fleshly lusts:
13 Let no one say when he is tempted, “I am tempted by God”; for God cannot be tempted by evil, nor does He Himself tempt anyone.
14 But each one is tempted when he is drawn away by his own desires and enticed.
15 Then, when desire has conceived, it gives birth to sin; and sin, when it is full-grown, brings forth death.
16 Do not be deceived, my beloved brethren.
17 Every good gift and every perfect gift is from above, and comes down from the Father of lights, with whom there is no variation or shadow of turning.
18 Of His own will He brought us forth by the word of truth, that we might be a kind of firstfruits of His creatures. (Jas. 1:13-18 NKJ)
Whenever spirits tempt me to do evil, I cite pertinent Scripture in rebuttal:
12 For we do not wrestle against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this age, against spiritual hosts of wickedness in the heavenly places.
13 Therefore take up the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand.
14 Stand therefore, having girded your waist with truth, having put on the breastplate of righteousness,
15 and having shod your feet with the preparation of the gospel of peace;
16 above all, taking the shield of faith with which you will be able to quench all the fiery darts of the wicked one.
17 And take the helmet of salvation, and the sword of the Spirit, which is the word of God (Eph. 6:12-17 NKJ)
For the word of God is living and powerful, and sharper than any two-edged sword, piercing even to the division of soul and spirit, and of joints and marrow, and is a discerner of the thoughts and intents of the heart. (Heb. 4:12 NKJ)
Let’s follow Christ’s example:
3 Now when the tempter came to Him, he said, “If You are the Son of God, command that these stones become bread.”
4 But He answered and said, “It is written,`Man shall not live by bread alone, but by every word that proceeds from the mouth of God.'”
5 Then the devil took Him up into the holy city, set Him on the pinnacle of the temple,
6 and said to Him, “If You are the Son of God, throw Yourself down. For it is written: `He shall give His angels charge over you,’ and, `In their hands they shall bear you up, Lest you dash your foot against a stone.'”
7 Jesus said to him, “It is written again, `You shall not tempt the LORD your God.'”
8 Again, the devil took Him up on an exceedingly high mountain, and showed Him all the kingdoms of the world and their glory.
9 And he said to Him, “All these things I will give You if You will fall down and worship me.”
10 Then Jesus said to him, “Away with you, Satan! For it is written, `You shall worship the LORD your God, and Him only you shall serve.'”
11 Then the devil left Him, and behold, angels came and ministered to Him. (Matt. 4:3-11 NKJ)
1 Beloved, do not believe every spirit, but test the spirits, whether they are of God; because many false prophets have gone out into the world.
2 By this you know the Spirit of God: Every spirit that confesses that Jesus Christ has come in the flesh is of God,
3 and every spirit that does not confess that Jesus Christ has come in the flesh is not of God. And this is the spirit of the Antichrist, which you have heard was coming, and is now already in the world.
4 You are of God, little children, and have overcome them, because He who is in you is greater than he who is in the world.
5 They are of the world. Therefore they speak as of the world, and the world hears them.
6 We are of God. He who knows God hears us; he who is not of God does not hear us. By this we know the spirit of truth and the spirit of error. (1 Jn. 4:1-6 NKJ; Compare Mt. 7:15-18)
When John says “test the spirits” he is referring to “human spirits who claim divine inspiration” “because many false prophets have gone out into the world”.
Christians were not heeding spirits like the spiritists and other non-Christians today.
But as John says to test them “while they are prophesying controlled by spirits” (δοκιμάζετε, present active. Compare 1 Cor. 12:1-3), the tests also work on any demonic manifestations of spirits in disembodied voices, dreams, visions, or disguised during alien abductions.
Test The Spirits in Dreams Visions Abductions
The Powerful Delusion: The Coming Tsunami of Spiritism
Did the Witch of Endor raise Samuel or Satan?
It is the last hour 1 John 2:18
Was the New Testament Church like a modern Pentecostal Church?