That is where the irony of the film comes off, in terms of the language it employs - where he tries desperately to be a 'TV Dad,' to give advice and it's so pat it becomes ridiculous.
It is only through books that we partake of the great harvest that is human civilization across the ages.
A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. so the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion.