Knowledge is something which you can use. Belief is something which uses you.

The Way of the Sufis cannot be understood by means of the intellect or by ordinary book learning.

Worry is a cloud which rains destruction.

A real secret is something which only one person knows.

You are adrift while you still think that a means is an end.

Man (and woman) has an infinite capacity for self-development. Equally, he has an infinite capacity for self-destruction. A human being may be clinically alive and yet, despite all appearances, spiritually dead.

You need not wonder whether you should have an unreliable person as a friend. An unreliable person is nobody's friend.