For many shall come in my name, saying, I am Christ; and shall deceive many.

Matthew 24:5 (KJV)

Matthew 7:21 (KJV)

Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.

1 John 4:1 (KJV)

Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.

A Way To Know If From God: They Show The Way That Is The Road To Peace...

Blessed are the peacemakers: for they shall be called the children of God. — Matthew 5:9 (KJV)

Now the fruit of righteousness is sown in peace by those who make peace. — James 3:18 (KJV) To give light to them that sit in darkness and in the shadow of death, to guide our feet into the way of peace. — Luke 1:79 (KJV)

They Follow The Example Of Yeshua...As Zacharias Said The Father Of John The Baptist In Luke 1:67-80 (KJV) 67 And his father Zacharias was filled with the Holy Ghost, and prophesied, saying, 68 Blessed be the Lord God of Israel; for he hath visited and redeemed his people,

69 And hath raised up an horn of salvation for us in the house of his servant David; 70 As he spake by the mouth of his holy prophets, which have been since the world began: 71 That we should be saved from our enemies, and from the hand of all that hate us; 72 To perform the mercy promised to our fathers, and to remember his holy covenant; 73 The oath which he sware to our father Abraham, 74 That he would grant unto us, that we being delivered out of the hand of our enemies might serve him without fear, 75 In holiness and righteousness before him, all the days of our life.

76 And thou, child, shalt be called the prophet of the Highest: for thou shalt go before the face of the Lord to prepare his ways; 77 To give knowledge of salvation unto his people by the remission of their sins, 78 Through the tender mercy of our God; whereby the dayspring from on high hath visited us, 79 To give light to them that sit in darkness and in the shadow of death, to guide our feet into the way of peace. 80 And the child grew, and waxed strong in spirit, and was in the deserts till the day of his shewing unto Israel.