How hard is it, when everything encourages us to sleep, though we may look about us with conscious, clinging eyes, to wake and yet look about us as in a dream, with eyes that no longer know their function and whose gaze is turned inward.
One of the sayings of Diogenes was that most men were within a finger's breadth of being mad; for if a man walked with his middle finger pointing out, folks would think him mad, but not so if it were his forefinger.