The Bible teaches that:
God never commanded polygamy – it was devised by man.
Genesis 4:19, 23-24; Genesis 6:1-2, 5; Genesis 16:1-6; Genesis 26:34-35; Genesis 29:16-30; Genesis 30:1-4, 9; Ecclesiastes 2:7, 11, 17
God emphasized monogamy in marriage.
Genesis 2:18, 24; Matthew 19:4-6; 1 Corinthians 7:1-2; Ephesians 5:22-33
God commanded men not to multiply wives.
Genesis 21:8-14; Deuteronomy 17:17
Specific restrictions listed by God prohibiting certain sexual practices.
Leviticus 18:6-22; Leviticus 20:10-23
Church leaders are to have only one wife.
1 Timothy 3:2, 12; Titus 1:5-6
LDS Church Teaches:
Joseph Smith taught that polygamy was commanded by God in 1843 then after the US Government started laying down the law in 1890, they were commanded not to practice polygamy.
Plural Marriage in The Church of Jesus Christ of Latter-day Saints
Prophet Brigham Young taught that when Adam came into the Garden of Eden, he brought Eve, one of his wives, with him.
Now hear it, O inhabitants of the earth, Jew and Gentile, Saint and sinner! When our father Adam came into the garden of Eden, he came into it with a celestial body, and brought Eve, one of his wives, with him. Read more…
Joseph Smith taught that plural marriage is REQUIRED for men and women to obtain exaltation and to become gods.