The ancients, who in these matters were not perhaps such blockheads as some may conceive, considered poetical quotation as one of the requisite ornaments of oratory. – Isaac D’Israeli, “Quotation,” A Second Series of Curiosities of Literature

To appreciate and use correctly a valuable maxim requires a genius, a vital appropriating exercise of mind, closely allied to that which first created it. – William Rounseville Alger, “The Utility and the Futility of Aphorisms,” The Atla

One would think that a scissors and pastepot collection like this would require little help. Not true. A tribe of hunters and gatherers is required: there is so much to be seen for so little selected. – Robert Irvine Fitzhenry (1918–2008), The Harper Book of Quotations

Only the use of footnotes enables historians to make their texts not monologues but conversations, in which modern scholars, their predecessors, and their subjects all take part. – Anthony Grafton (b.1950), The Footnote: A Curious History, “Epilogue: Some Concl