Miss Amesbury is especially happy in the use of quotations—and an apt quotation is like a lamp which flings its light over the whole sentence. – L.E. Landon, Romance and Reality, 1832
The quotation-business is booming. No subdivision of the culture seems too narrow to have a quotation book of its own…. It would be an understatement to say that these books lean on one another. To compare them is to stroll through a glorious jungle of incestuous mutual plagiarism. – James Gleick, 1993