The multiplicity of facts and writings is become so great that every thing must soon be reduced to extracts and dictionaries. – Voltaire

The study of proverbs may be more instructive and comprehensive than the most elaborate scheme of philosophy. – Attributed to Motherwell in Pearls of Thought by Maturin M. Ballou, 1882

But I have long thought that if you knew a column of advertisements by heart, you could achieve unexpected felicities with them. You can get a happy quotation anywhere if you have the eye. – Oliver Wendell Holmes, Jr., 1923, quoted in Holmes-Laski Letters: The Correspond

Many moons ago dictionaries of quotations may have been less needed than they are today. In those good/bad old days, people walked around with entire poems and all the Shakespearean soliloquies in their heads…. – Joseph Epstein, Foreword to Fred R. Shapiro’s Yale Book of Quotations, 200