Noun
That department of sanitary science which treats of the preservation of health, esp. of households and communities; a system of principles or rules designated for the promotion of health.
Source: Webster's dictionaryIt is poor civic hygiene to install technologies that could someday facilitate a police state. Bruce Schneier
The denunciation of the young is a necessary part of the hygiene of older people, and greatly assists the circulation of the blood. Logan Pearsall Smith
Irony is the hygiene of the mind. Elizabeth Bibesco
Western European societies are unprepared for the massive immigration of brown-skinned peoples cooking strange foods and maintaining different standards of hygiene ... All immigrants bring exotic customs and attitudes, but Muslim customs are more troublesome than most. Daniel Pipes
Hygiene is two thirds of health. Lebanese Proverb
Hygiene is two thirds of health. Yiddish Proverb