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

Short isolated sentences were the mode in which ancient Wisdom delighted to convey its precepts, for the regulation of life and manners. – William Warburton, “Sermon IV”

Quotation, like much better things, has its abuses. One may quote till one compiles. The ancient lawyers used to quote at the bar till they had stagnated their own cause. – Isaac D’Israeli, “Quotation,” A Second Series of Curiosities of Literature

The little honesty that exists among authors is discernible in the unconscionable way they misquote from the writings of others. – Arthur Schopenhauer, “On Authorship and Style,” translated from German by Mrs. R