Encyclopedia of Mormonism, pg. 574-575 and Faith, pg. 2; “Martin Harris (1783-1875), a New York farmer, was one of the Three Witnesses to the divine origin of the Book of Mormon…In June 1829, Martin Harris, along with Joseph Smith, Oliver Cowdery, and David Whitmer, prayed and received no answer. Harris blamed himself for the failure and withdrew. The Prophet, Cowdery, and Whitmer prayed again and were shown the gold plates of the Book of Mormon by the angel Moroni. Subsequently, the angel appeared to Harris and Joseph Smith. In this vision, Harris heard the voice of God say that Joseph’s translation was correct, and Jesus Christ commanded Harris to testify of what he had seen and heard. The testimony of the Three Witnesses is printed in the Book of Mormon (see Book of Mormon Witnesses).”
“In the early days of the restoration of the Church, Sidney Rigdon did not retain his membership in the kingdom even though he had, with Joseph Smith, witnessed marvelous signs. Had he not participated in the great vision, and had he not been the recipient of many revelations? Yet despite all these manifestations from our Heavenly Father, he did not remain in the kingdom…Oliver Cowdery saw many signs. He handled the sacred plates; saw John the Baptist; received the higher priesthood from Peter, James, and John; and was the recipient of many great miracles; and yet they could not hold him to the faith.”
Ezekiel 13:2-4; “Son of man, prophesy against the prophets of Israel that prophesy, and say thou unto them that prophesy out of their own hearts, Hear ye the word of the LORD; 3 Thus saith the Lord GOD; Woe unto the foolish prophets, that follow their own spirit, and have seen nothing! 4 O Israel, thy prophets are like the foxes in the deserts.”
After reading the accounts of those grown men having visions out in a forest somewhere, why would you believe a word they had to say?