This post is another addition to the "What is Mormonism?" series of posts. In this post I'll discuss the ninth Article of Faith.
We believe all that God has revealed, all that he does now reveal, and we believe that he will yet reveal many great and important things pertaining to the kingdom of God.
It is oft mentioned in the scriptures that God is "the same yesterday, today, and forever" (see 2 Nephi 27:23; Mormon 9:9; Hebrews 13:8). This scripture is an important part of Mormonism. In Article 6 I talked of the restitution of the gospel of Jesus Christ. This restoration came when the Lord Jesus Christ, and God, the Father, visited the later-to-be-prophet Joseph Smith, just as he had done with the prophets of past dispensations. We believe that God had spoken to his prophets in Biblical times just as he did with Joseph Smith (for example see Deuteronomy 34:10).
Because God is the same today as yesterday, we believe he speaks to his modern prophets (currently Thomas S. Monson is prophet of the Church). An example of modern revelation is the Word of Wisdom given to the Prophet Joseph, recorded now in the Doctrine and Covenants section 89. And because God is the same today as he will be tomorrow, we believe revelation will be given to prophets in the future. We do not know what these future revelations will be, but we believe they will pertain to the kingdom of God.
If you have any questions concerning Mormonism or the Articles of Faith that have not been answered in this post, the missionaries of The Church of Jesus Christ of Latter-day Saints will be happy to help answer your questions.