Some men who have shivered at the thought of inaugurating these reforms or conforming to these regimes came nevertheless to do so in later years. Why? Because they were given a strong enough incentive. Attacked by heart disease, they were warned by physicians to abandon salt; suffering from different sicknesses, they had to abandon meat; others who were gluttons were ordered to curb their meals to more modest proportions. Here the incentive of avoiding earlier death enabled them to accept an abhorred discipline.
-- Notebooks Category 5: The Body > Chapter 3: Diet > # 74