Page:Feeding the Mind.djvu/33

FEEDING THE MIND round, which he tried (and failed in) yesterday, and will probably try and fail in to-morrow.

Mr. Oliver Wendell Holmes, in his very amusing book, 'The Professor at the Breakfast Table,' gives the following rule for knowing whether a human being is young or old: 'The crucial experiment is this—offer a bulky bun to the suspected individual just ten minutes before dinner. If this is easily accepted and devoured, the fact of youth is established.' He tells us that a human being, 'if young, will eat anything at any hour of the day or night.'

To ascertain the healthiness of the mental appetite of a human animal, 29