The main problem is that most commentators are accustomed to thinking of spiritual schools as 'systems', which are more or less alike, and which depend upon dogma and ritual: and especially upon repetition and the application of continual and standardised pressures upon their followers.The Sufi way, except in degenerate forms which are not to be classified as Sufic, is entirely different from this.
Idries ShahThe more you look at 'common knowledge', the more you realise that it is more likely to be common than it is to be knowledge. No real knowledge is common.
Idries ShahHe that is purified by love is pure; and he that is absorbed in the Beloved and hath abandoned all else is a Sufi.Sirdar Ikbal Ali Shah.
Idries ShahMany things which are called 'secrets' are only things withheld from people until they can understand or effectively experience them.
Idries Shah