The more an idea is developed, the more concise becomes its expression: the more a tree is pruned, the better is the fruit. – Alfred Bougeart, quoted in A Thousand Flashes of French Wit, Wisdom, and Wickedn
A learned historian declared to me of a contemporary, that the latter had appropriated his researches; he might, indeed, and he had a right to refer to the same originals; but if his predecessor had opened the sources for him, gratitude is not a silent virtue. – Isaac D’Israeli, “Quotation,” A Second Series of Curiosities of Literature