The aphorism is cultivated only by those who have known fear in the midst of words, that fear of collapsing with all the words. – E.M. Cioran, “Atrophy of Utterance,” All Gall Is Divided: Gnomes and Apothegms,

The profoundest thought or passion sleeps as in a mine, until an equal mind and heart finds and publishes it. – Ralph Waldo Emerson, “Quotation and Originality,” Letters and Social Aims, 1876

We prefer to think that the absence of inverted commas guarantees the originality of a thought, whereas it may be merely that the utterer has forgotten its source. – Clifton Fadiman, The American Treasury, 1455-1955, 1955

A beautiful verse, an apt remark, or a well-turned phrase, appropriately quoted, is always effective and charming. – Marie Anne de Vichy-Chamrond du Deffand