is not yet apparent, it does not follow that he does not exist."
To this argument I remained some time without reply; a reflection drawn from the phenomena of sleep deepened my doubt. "Do you not see," I reflected, "that while asleep you assume your dreams to be indisputably real? Once awake, you recognize them for what they are—baseless chimeras. Who can assure you, then, of the reliability of notions which, when awake, you derive from the senses and from reason? In relation to your present state they may be real; but it is possible also that you may enter upon another state of being which will bear the same relation to your present state as this does to your condition when asleep. In that new sphere you will recognize that the conclusions of reason are only chimeras."
This possible condition is, perhaps, that which the Sufis call "ecstasy" (hal), that is to say, according to them, a state in which, absorbed in themselves and in the suspension of sense-perceptions, they have visions beyond the reach of intellect. Perhaps also Death is that state, according to that saying of the prince of prophets: "Men are asleep; when they die, they wake." Our present life in relation to the future is perhaps only a dream, and man, once dead, will see things in direct opposition to those now before his eyes; he will then understand that word of the Koran, "To-day we have removed the veil from thine eyes and thy sight is keen."
Such thoughts as these threatened to shake my reason, and I sought to find an escape from them. But how? In order to disentangle the knot of this difficulty, a proof was necessary. Now a proof must be based on primary assumptions, and it was precisely these of which I was in doubt. This unhappy state lasted about two months, during which I was, not, it is true, explicitly or by profession, but morally and essentially, a thorough-going skeptic.
God at last deigned to heal me of this mental malady; my mind recovered sanity and equilibrium, the primary assumptions of reason recovered with me all their stringency and force. I owed my deliverance, not to a concatenation of
