Do yourself a favor and read this letter from Hugh B. Brown, the former member of the First Presidency.
A highlight:
First, I have found that periods of doubt and skepticism, of negative reactions and disbelief have always been characterized by darkness, refrigeration of spirit, pettiness, cynicism, and general misery, even to a point of wishing for oblivion. Whereas, periods of faith, hope, and positive reactions have been times of buoyancy and cheerfulness filled with a desire to be and to become, to lift and encourage, and to point with confidence to something even more about to be. Here, life had cadence and lilt and zest and value, and I gloried in the thought that I could extend these benefits and joys and possibilities to my children.
From the selfish standpoint of personal satisfaction then, I have chosen to swim in the clear, cool stream of faith rather than wallow in the turbid, enervating, stagnant swamp of doubt and cynicism. In other words, faith pays dividends of joy as we go along.