"The Primary theme is “All thy children shall be taught of the Lord; and great shall be the peace of thy children” (3 Nephi 22:13). The purposes of Primary are to help children:
Feel their Heavenly Father’s love and learn about His plan of happiness.
Learn about Jesus Christ and His role in Heavenly Father’s plan.
Learn and live the gospel.
Feel, recognize, and act on the influence of the Holy Ghost.
Prepare for, make, and keep sacred covenants.
Participate in the work of salvation and exaltation."
General Handbook: Serving in The Church of Jesus Christ of Latter-day Saints