The secret of divine knowledge (ma’rifa) is fine line (isthmus) between a thing and its shadow, negation and assertion, presence and absence, yes and no...
"And We made an appointment with Moses for thirty nights and perfected them by [the addition of] ten; so the term of his Lord was completed as forty nights..."
The word khalwa designates the fact to strictly stick to one's own living tomb (the body), the individual stripping from all physical senses and the journey to the universe of Deep Senses...
