“…They are made stable by making them rational, by giving assurances that sound reasons exist for their performance, and by the actual giving of these reasons where this is practicable: so that boys and girls, who have developed beyond simple appeals to "vanity," continue the practice of cleanliness, partly because it has become habitual, but also because they know the reasons for their actions and intellectually approve of them. They are further stabilised when they are made ethical, and older boys and girls learn that they are serving through habits of cleanliness, not themselves only, but every member of the community to which they belong. 177/5/8/3…”

“…We thus develop in him, at an early stage, a right attitude and a sense of obligation in the matter; the "reason why" coming later, in connection with his studies, and giving to the habits and attitudes he has formed the stamp of intellectual approval. [Image with caption: For Health's Sake - Get Rid of Dust] Reproduction of Health and Cleanliness Council's Poster (P. 85), blue and buff, 20" x 30". …”

“…We are here following a sound educational procedure in discovering to the boy real and social activities through which he may express his native tendencies in ways that secure useful ends and gain social approval; whilst he develops himself physically and intellectually as he pursues his interests. Precisely the same thing holds good of attempts to enlist the enthusiasm of pupils in campaigns against flies. …”

“…Young children form habits through love, fear, and imitation, but these habits have a better chance of being retained through life if they can withstand the moral and intellectual criticism which will be brought to bear upon them at later stages of the individual development. …”