Plain Facts for Old and Young by John Harvey Kellogg

2. Set about the work of getting well with a fixed determination to

persevere, and never to give over the struggle until success is attained, no matter how difficult may be the obstacles to be surmounted. Such an effort will rarely be unsuccessful. One of the greatest impediments to recovery from diseases of this class is the vacillating dispositions of nearly all patients suffering from disorders of this character. Make up your mind what course of treatment to pursue, then adhere to it rigidly until it has received a thorough trial. Do not despair if no very marked results are seen in a week, a month, or even a longer period. The best remedies are among those which operate the most slowly.