The Chishti Order of the Sufis makes a great use of music to warm the heart, to produce feeling. When a person has understood that everything in the world is false, that every being is untrue -- when this wisdom comes, then coldness comes. A little child is very magnetic because of its warmth. It is friendly to everyone. When its intelligence grows it distinguishes: "This one favored me; that one did not favor me. This one was kind; that one was not kind. This one gave; that one did not give." Then coldness comes. Then we think: "This one is my enemy; I should not speak with him. This man has written an article against me; therefore I should have nothing to do with him. This man's grandfather was my father's enemy; therefore I should avoid him." The selfishness and coldness grow in us to such an extent. To stop this coldness, to produce feeling, the Chishtis use music. The vibrations of sound produce warmth.