LI.

Thus Heaven enlarged his soul in riper years. For Nature gave him strength, and fire, to soar On Fancy's wing above this vale of tears; Where dark cold-hearted sceptics, creeping, pore Through microscope of metaphysic lore: And much they grope for Truth, but never hit. For why? Their powers inadequate before, This idle art makes more and more unfit; Yet deem they darkness light, and their vain blunders wit.