“The troubles that children ordinarily encounter learning mathematics or grammar, are easily overcome if difficult problems are presented...

Language is: “the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by...

“The training and sharpening of the senses has the obvious advantage of enlarging the field of perception and of offering an ever more...

“Through practical exercises of this sort the children develop a true “social feeling”, for they are working in the environment of the...