metals and the materials of every kind of mineral, and learn the virtues of herbs and trees and plants, and survey at will the whole progeny of Neptune, Ceres, and Pluto.
But if we please to visit the heavenly inhabitants, Taurus, Caucasus, and Olympus are at hand, from which we pass beyond the realms of Juno and mark out the territories of the seven planets by lines and circles. And finally we traverse the loftiest firmament of all, adorned with signs, degrees, and figures in the utmost variety. There we inspect the antarctic pole, which eye hath not seen, nor ear heard; we admire the luminous Milky Way and the Zodiac, marvellously and delightfully pictured with celestial animals. Thence by books we pass on to separate substances, that the intellect may greet kindred intelligences, and with the mind's eye may discern the First Cause of all things and the Unmoved Mover of infinite virtue, and may immerse itself in love without end. See how with the aid of books we attain the reward of our beatitude, while we are yet sojourners below.
Why need we say more? Certes, just as we have learnt on the authority of Seneca, leisure without letters is death and the sepulture of the living, so
