Elder Dallin H Oaks, Pornography, April 2005 General Conference

We must also act to protect those we love. Parents install alarms to warn if their household is threatened by smoke or carbon monoxide. We should also install protections against spiritual threats, protections like filters on Internet connections and locating access so others can see what is being viewed. And we should build the spiritual strength of our families by loving relationships, family prayer, and scripture study.