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)

In these pages the novelist should be able to find a striking verse to head his chapter, the raconteur add to his bon mots, the man of the world enrich his stock of maxims, the divine obtain some deep thought drawn from the wells of ancient learning. – William Francis Henry King, “Introduction,” Classical and Foreign Quotations, 18

Why are not more gems from our great authors scattered over the country? Great books are not in everybodys reach; and though it is better to know them thoroughly than to know them only here and there, yet it is a good work to give a little to those who have not the time nor means to get more. – Samuel Taylor Coleridge

There are single thoughts that contain the essence of a whole volume, single sentences that have the beauties of a large work, a simplicity so finished and so perfect that it equals in merit and in excellence a large and glorious composition. – Joseph Joubert (1754–1824), translated from French by George H. Calvert, 1