Books of quotation are not only of importance to the reader for what they contain of matured thought, but also for what they suggest. Our brains receive the spark and become luminous, like inflammable material by the contact of flint and steel. – Maturin M. Ballou, January 1886, preface to Edge-Tools of Speech

Quotable quotes are coins rubbed smooth by circulation. – Louis Menand, “Notable Quotables: Is there anything that is not a quotation?” 20

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

The divine gift is ever the instant life, which receives and uses and creates, and can well bury the old in the omnipotency with which Nature decomposes all her harvest for recomposition. – Ralph Waldo Emerson, “Quotation and Originality,” Letters and Social Aims, 1876