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

Quotation mistakes, inadvertency, expedition, and human lapses, may make not only moles but warts in learned authors… – Thomas Browne, Christian Morals, 1716 (Part the Second, sect. ii)

Every book is a quotation; and every house is a quotation out of all forests and mines and stone quarries; and every man is a quotation from all his ancestors. – Ralph Waldo Emerson, “Plato; Or, The Philosopher”

That part of a work of one author found in another is not of itself piracy, or sufficient to support an action; a man may adopt part of the work of another; he may so make use of another’s labors for the promotion of science and the benefit of the public. – Lord Ellenborough, quoted in Bouvier’s Law Dictionary by John Bouvier, 8th