We hear of but two or three of the ancients who have beaten this road [said Montaigne]. No one since has followed the track; 'tis a rugged road, more so than it seems, to follow a pace so rambling and uncertain, as that of the soul; to penetrate the dark profundities of its intricate internal windings; to choose and lay hold of so many little nimble motions; 'tis a new and extraordinary undertaking, and that withdraws us from the common and most recommended employments of the world.