The bottom line of "reading must broaden your horizons"

The link of "Reading will broaden your horizons" is: "Friends should confide in each other"

Couplets pay attention to the relative parts of speech and consistent structure of the upper and lower sentences. "Reading" is both right and wrong for "friends".

"Broaden one's horizons" and "show one's mind" are not only verb-object relations, but also verb-object relations and name-object relations. Couplets, one of the traditional cultures in China, also called couplets or couplets, are antithetical sentences written on paper, cloth or engraved on bamboo, wood and columns.