The Law of Eternal Progression

Answering a Mormon
“As man is, God once was, and as God is, man may become.” --Mormon prophet Lorenzo Snow

Mormon prophets have said the following:

1) God the Father has a physical body
“ The Father has a body of flesh and bones as tangible as man’s; the Son also; but the Holy Ghost has not a body of flesh and bones, but is a personage of Spirit. Were it not so, the Holy Ghost could not dwell in us.”
[Doctrine and Covenants 130:22]
The Bible says:
I Timothy 6:16—"God...whom no one has seen or can see" ; NOT changed by Smith in “Inspired Version”
John 4:24—"God is spirit..." changed by Joseph Smith in “Inspired Version” to 'For unto such hath God promised his Spirit'
Matthew 16:17 KJV—"Blessed art thou, Simon Bar-Jona: for flesh and blood hath not revealed it unto thee, but my Father which is in heaven." NOT changed by Smith in “IV”
The Book of Mormon itself says:
Alma 18:28 “And Ammon said: This is God. And Ammon said unto him again: Believest thou that this Great Spirit, who is God, created all things which are in heaven and in the earth?”

2) Father God was created by another God
" Some people are troubled over the statements of the Prophet Joseph Smith.... The matter that seems such a mystery is the statement that our Father in heaven at one time passed through a life and death and is an exalted man. This is one of the mysteries.... The Prophet taught that our Father had a Father and so on. Is not this a reasonable thought, especially when we remember that the promises are made to us that we may become like him?" (Joseph Fielding Smith, Doctrines of Salvation, vol. 1, pp.10, 12).
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" We were begotten by our Father in Heaven; the person of our Father in Heaven was begotten on a previous heavenly world by His Father; and again, He was begotten by a still more ancient Father; and so on, from generation to generation, ... we wonder in our minds, how far back the genealogy extends, and how the first world was formed, and the first father was begotten" (Orson Pratt, The Seer, p.132).
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First God himself, who sits enthroned in yonder heavens, is a man like unto one of yourselves, that is the great secret. If the veil was rent today, and the great God, who holds this world in its orbit, and upholds all things by his power; if you were to see him today, you would see him in all the person, image and very form as a man… I am going to tell you how God came to be God. We have imagined that God was God from all eternity. These are incomprehensible ideas to some, but they are the simple and first principles of the gospel… The head God called together the Gods, and set in grand council. The grand counsellors sat in yonder heavens, and contemplated the creation of the worlds that were created at that time. [Joseph Smith, Times and Seasons, Volume 5, No. 15, p. 613]
The Bible says:
Isaiah 43:10-11—"Before me no god was formed, nor will there be one after me. I, even I am the LORD, and apart from me there is no savior." NOT changed by Smith in “IV”
Isaiah 44:6-8—"This is what the LORD says--Israel's King and Redeemer, the LORD Almighty: I am the first and I am the last; apart from me there is no God." NOT changed by Smith in “IV”
Isaiah 45:21-22—"...And there is no God apart from me, a righteous God and a Savior; there is none but me. Turn to me and be saved, all you ends of the earth; for I am God, and there is no other." NOT changed by Smith in “IV”
The Book of Mormon itself says:
Alma 11:26-31; “And Zeezrom said unto him: Thou sayest there is a true and living God?
And Amulek said: Yea, there is a true and living God.
Now Zeezrom said: Is there more than one God?
And he answered, No.
Now Zeezrom said unto him again: How knowest thou these things?
And he said: An angel hath made them known unto me.”

3) God has evolved from man to exalted man
“God himself was once as we are now and is an exalted man.” [Joseph Smith, Journal of Discourses vol. 6 p. 3]

The Bible says: Malachi 3:6; “For I am the Lord, I change not.”
Psalm 90:2; “from everlasting to everlasting, thou art God.”

4) Man has the potential to become like God

“You have got to learn how to be Gods yourselves; to be kings and priests to God, the same as all gods have done; by going from a small degree to another, from grace to grace, from exaltation to exaltation, until you are able to sit in glory as doth those who sit enthroned in everlasting power…” [Joseph Smith, Times and Seasons, Vol. V. no. 15, p. 614]
The Bible says:
Isaiah 43:10—"Before me no god was formed, nor will there be one after me. I, even I am the LORD, and apart from me there is no savior." NOT changed by Smith in “IV”
Isaiah 46:9—"I am God, and there is no other; I am God, and there is none like me." NOT changed by Smith in “IV”

Should we pray for the burning in the bosom to confirm the testimony of the LDS?
No!
The Bible says:
Deuteronomy 18:20-22—test of a prophet: " But a prophet who presumes to speak in my name anything I have not commanded him to say, or a prophet who speaks in the name of other gods, must be put to death."
You may say to yourselves, "How can we know when a message has not been spoken by the LORD ?" If what a prophet proclaims in the name of the LORD does not take place or come true, that is a message the LORD has not spoken. That prophet has spoken presumptuously. Do not be afraid of him."

Deuteronomy 13:1-5—test of a prophet: "If a prophet, or one who foretells by dreams, appears among you and announces to you a miraculous sign or wonder, and if the sign or wonder of which he has spoken takes place, and he says, "Let us follow other gods" (gods you have not known) "and let us worship them," you must not listen to the words of that prophet or dreamer. The LORD your God is testing you to find out whether you love him with all your heart and with all your soul. It is the LORD your God you must follow, and him you must revere."

Acts 17:11—We should be like the Bereans and confirm teaching by comparing it to Scripture
Even early Mormon writings spoke against "sign seekers":
Times and Seasons Vol 3 no. 1 p. 580:
“ But there are some that say, show us a sign and we will believe. We answer; that Christ, and the apostles, never worked miracles to gratify the curiosity of any man. When Satan tempted Jesus, saying, make bread out of stones, he said get behind me Satan, &c. A set of wicked priests afterwards sought a sign of him; but he said, "a wicked and adulterous generation seeketh after a sign and none shall be given unto it," &c.-This is the only rule that is laid down in the scriptures, by which we can judge of the character of sign-seekers”—[E. Snow and B. Winchester]