2941. And therefore, also, drinking cold water when the body is hot, and hot tea and soups when cold, are productive of many evils.


2942. Moderation in eating and drinking, short hours of labor and study, regularity in exercise, recreation, and rest, cleanliness, equanimity of temper and equality of temperature, these are the great essentials to that which surpasses all wealth, health of mind and body.


2943. Bed Clothes.—The perfection of dress, for day or night, where warmth is the purpose, is that which confines around the body sufficient of its own warmth, while it allows escape to the exhalations of the skin.


2944. Where the body is allowed to bathe protractedly in its own vapors, we must expect an unhealthy effect upon the skin.


2945. Where there is too little ventilating escape, insensible perspiration is checked, and something analogous to fever supervenes; foul tongue, ill taste, and lack of morning appetite betray the evil.