What do Mormons think about other religions? (Short answer -- we are grateful for ours and grateful for the good of others' religions. Don't confuse our passion for our choice/our faith as meaning we think we are better. We are grateful for the freedom of religion that exists in so many places that allows people to choose to follow their faith and belief as well.
Mormon Temples: Why are Only Members Allowed to Go Inside?
LDS Temples: Why are Only Mormons Allowed to Go Inside? -- The LDS temples are dedicated unto the Lord, and set apart from the world, as they were in ancient times. Temples are sacred, in that only those who meet a particular code of righteous living, are then eligible to enter. The highest sacraments of the Mormon faith, such as eternal marriage sealings are performed in our temples.