Lord Bacon, in the midst of his laborious occupations, published, in the year 1605, his celebrated work " The Advancement of Learning," which professes to be a survey of the then existing knowledge, with a designation of the parts of science which were unexplored ; the cultivated parts of the intellectual world and the desarts; a finished picture with an outline of what was untouched. Within the outline is included the whole of science. After having examined the objections to learning;—the advantages of learning; — the places of learning or universities;—the books of learning or libraries, " the shrines where all the relics of the ancient saints, full of true virtue, and that without delusion or imposture, are preserved and reposed;"—after having thus cleared the way, and, as it were, " made silence to have the true nature of learning better heard and understood," he investigates all knowledge.