It is a rich storehouse for those who love quotations. It is as full of fine bon mots as a Christmas pudding is full of plums. – “Fitz-Greene Halleck as a Poet,” Hours at Home: A Popular Monthly of Instruction

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

In these circumstances I think we must take the bull by the horns… and, making due allowances, quote whenever we feel that the allusion is interesting or helpful or amusing. – Clifton Fadiman, c.1955

I am now to offer some thoughts upon that sameness or familiarity which we frequently find between passages in different authors without quotation. This may be one of three things either what is called Plagiarism, or Imitation, or Coincidence. – James Boswell, “The Hypochondriack,” No.XXII, 1779