According to doctrine of the Latter Day Saint movement, the plan of salvation (also known as the plan of happiness) is a plan that God created to save, redeem, and exalt humankind. The elements of this plan are drawn from various sources, including the Bible,Book of Mormon, Doctrine & Covenants, Pearl of Great Price, and numerous statements made by the leadership of The Church of Jesus Christ of Latter-day Saints (LDS Church). The first appearance of the graphical representation of the plan of salvation is in the 1952 missionary manual entitled A Systematic Program for Teaching the Gospel.
In the 1840s,Joseph Smith stated that the human spirit existed with God before the creation of Earth. Thus, Latter-day Saints believe in a pre-mortal existence, in which people are literally the spirit children of God. Latter-Day Saints often point to Jeremiah 1:5 as one example of evidence in the Bible for a pre-earth existence. This teaching is primarily based however upon revealed doctrine by Joseph Smith and others in the early years of the Church. Prior to the existence of spirits, some element of the human spirit, called intelligence, existed eternally in the same sense that God existed eternally, but in a less progressed form of energy or matter. This may explain the Church's teaching that man and God are co-eternal (carefully distinguishing "co-eternal" from "equal", which is not a part of LDS doctrine). Within Latter-day beliefs, God is looked upon as both creator and Heavenly Father.
During this pre-mortal existence, Heavenly Father presented the following plan to His children: