Quotation, like much better things, has its abuses. One may quote till one compiles. The ancient lawyers used to quote at the bar till they had stagnated their own cause.
Isaac D'IsraeliA 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