speaking for another

References in classic literature ?
I actually made myself sleepy, and before she began to nod, I gave such a gape that she asked me what I meant by opening my mouth wide enough to take the whole book in at once.
We were talking about what it is like to spend one's childhood in little towns like these, buried in wheat and corn, under stimulating extremes of climate: burning summers when the world lies green and billowy beneath a brilliant sky, when one is fairly stifled in vegetation, in the color and smell of strong weeds and heavy harvests; blustery winters with little snow, when the whole country is stripped bare and gray as sheet-iron.
More than any other person we remembered, this girl seemed to mean to us the country, the conditions, the whole adventure of our childhood.