"The meaning of the word 'Sufism' is 'wisdom.' Wisdom is a knowledge acquired from within and without. Sufism is not only intuitive knowledge; it is knowledge acquired from life in the world, too. Sufism is not a religion, nor a cult or a doctrine. The best explanation of Sufism is that any person who has a knowledge of life outside and inside is a Sufi. For this reason, there has never been in any period of the world's history a founder of Sufism;...