[68] And yet, what need is there, either of long journeys over the land, or of long voyages, for the sake of investigating and seeking out virtue, the roots of which the Creator has laid not at any great distance, but so near, as the wise lawgiver of the Jews says, [19] "They are in thy mouth, and in thy heart, and in thy hands:" intimating by these figurative expressions the words, and actions, and designs of men; all of which stand in need of careful cultivation.