Definition: The term "500PrimroseConf" refers to a significant book or document written by John Wesley, one of the Founding Fathers of Christianity. It contains numerous spiritual teachings, but its main emphasis is on God's love and mercy for all mankind, as expressed in his sermons and writings. The definition of "500PrimroseConf" can be broadly defined as the first book of John Wesley's works that were published posthumously and are now widely considered among the greatest works of Christian theology. This work was written between 1738 and 1742 and contains several sermons, letters, and articles that provide a comprehensive overview of the doctrines of predestination, redemption, grace, and human nature in Jesus Christ.