When one considers what reverence the ancient prophets and Jesus Christ himself showed for the Temple, when one considers how it remained important to early Christians who gathered there often, and when one considers that it is prophesied to be important even after the Second Coming of Jesus Christ, when the saints will be serving God there day and night (Rev. 7:15), it may seem surprising that so much of the Christian world is puzzled by the importance of the Temple in the LDS religion. To us, it's majestic evidence of the Restoration, of the time of "refreshing" that Paul spoke of in the last days (Acts 3:19-20). One prophecy that may help you realize that the temple is meant to play a vital role in God's work in these, the last days, is found in Isaiah 2. The prophecy is so important that it was "plagiarized" also by Micah in Micah 4 (I use the word "plagiarized" for those of you who take offense at the tendency of Book of Mormon writers and writers in the Bible to quote heavily from older texts). Here is Isaiah 2, verses 2-3:
2 And it shall come to pass in the last days, that the mountain of the LORD'S house shall be established in the top of the mountains, and shall be exalted above the hills; and all nations shall flow unto it.The temple, the house of the Lord, will be established in the top of the mountains. It will be a gathering place for all nations, and a place of learning and of worship. What wonderful news to know that the ancient temple has been restored in the "tops of the mountains" and around the world, and indeed is a place of gathering, learning, and worship, bringing people of all nations to Zion. Wonderful news, and part of God great and wonderful works in the last days.
3 And many people shall go and say, Come ye, and let us go up to the mountain of the LORD, to the house of the God of Jacob; and he will teach us of his ways, and we will walk in his paths: for out of Zion shall go forth the law, and the word of the LORD from Jerusalem.