Thoreau writes in his journal:
When I have access to a man’s barrel of sermons, which were written from week to week, as his life lapsed, though I now know him to live cheerfully and bravely enough, still I cannot conceive what interval there was for laughter and smiles in the midst of so much sadness. Almost in proportion to the sincerity and earnestness of the life will be the sadness of the record. When I reflect that twice a week for so many years he pondered and preached such a sermon, I think he must have been a splenetic and melancholy man, and wonder if his food digested well. It seems as if the fruit of virtue was never a careless happiness.
