Elder David B Haight, Personal Morality, October 1984 General Conference

Studies show that those who allow themselves to become drawn to pornography soon begin to crave even coarser content. Continued exposure desensitizes the spirit and can erode the conscience of unwary people. A victim becomes a slave to carnal thoughts and actions. As the thought is father to the deed, exposure can lead to acting out what is nurtured in the mind.