Use "civitas" in a sentence

1. 'The builders did not know the uses to which their work would descend; they made a new house with the stones of the old castle; year by year, generation after generation, they enriched and extended it; year by year the great harvest of timber in the park grew to ripeness; until, in sudden frost, came the age of Hooper; the place was desolate and the work all brought to nothing; Quomodo sedet sola civitas