For he was walking along the road one day when he saw a stone on the ground. It had written on it, "TURN ME OVER AND READ." So he picked it up and looked at the other side. And there was written, "WHY DO YOU SEEK MORE KNOWLEDGE WHEN YOU PAY NO HEED TO WHAT YOU KNOW ALREADY?

You want to become wise in one lesson:First become a real human being.

There can be no spirituality, according to the Sufi masters, without psychology, psychological insight and sociological balance.

Like the bat, the Sufi is asleep to 'things of the day' - the familiar struggle for existence which the ordinary man finds all-important - and vigilant while others are asleep. In other words, he keeps awake the spiritual attention dormant in others. That 'mankind sleeps in a nightmare of unfulfillment' is a commonplace of Sufi literature