When I was 16, I had the opportunity to attend general conference in person for the first time. My family was living in western Oregon, USA, and we drove to Utah to attend conference and to drop off my older brother at the missionary training center.
I went to the conference with a desire to be taught by the Holy Ghost. As a result, I received a manifestation from the Spirit that I probably would not have received had I not prepared myself.
During one of the sessions, everyone stood and sang the congregational hymn, “Guide Us, O Thou Great Jehovah.” As we sang, I had the distinct impression to look around the Conference Center. I did and was struck by the power of the unity of the thousands of people there as we all raised our voices in praise to God.
Then I had an experience where I felt like Nephi when he saw the vision of the tree of life, for the Spirit told me, “Look” (see 1 Nephi 11–14). I looked at President Thomas S. Monson and felt that the unity of the Church existed because we are led by a living prophet. Through the witness of the Holy Spirit, I know President Monson is the true prophet for our day, and I know that Jesus Christ leads this Church through him.