David A. Bednar said: “The precise nature of the test of mortality, then, can be summarized in the following question: Will I respond to the Inclinations of the natural man, or will I yield to the enticings of the Holy Spirit and put off the natural man?”
Happiness does not depend on what happens outside of you but on what happens inside of you; it is measured by the spirit with which you meet the problems of life.
“The spirit of the gospel is optimistic; it trusts in God and looks on the bright side of things. The opposite or pessimistic spirit drags men down and away from God, looks on the dark side, murmurs, complains, and is slow to yield obedience.” Elder Orson F. Whitney quoted by Elder Jeffrey R. Holland in The Tongue of Angels, April 2007