Then your words of abuse today may turn into a universally valid principle of denigration, for words are magical formulae. They leave fingermarks behind on the brain, which in the twinkling of an eye becomes the footprints of history. One ought to watch one’s every word. – Franz Kafka, quoted by Gustav Janouch, Conversations with Kafka

Reframing an extract as a quotation constitutes a kind of coauthorship. With no change in wording, the cited passage becomes different. I imagine that the thrill of making an anthology includes the opportunity to become such a coauthor. – Gary Saul Morson, The Words of Others: From Quotations to Culture, 2011

As by some might be saide of me: that here I have but gathered a nosegay of strange floures, and have put nothing of mine unto it, but the thred to binde them. Certes, I have given unto publike opinion, that these borrowed ornaments accompany me; but I meane not they should cover or hide me… – Michel de Montaigne, “Of Phisiognomy,” translated by John Florio; commonly moder