(Khidr). The Green Prophet who drank the Water of Life and still appears to initiate the holy ones into the Great Mysteries. He is still in this world. He was given 'insight of the heart' which is God-given knowledge from Allah's Presence.
('Ilm Ladunni). Divine (God-given) Knowledge. This is a sacred knowledge which has not come through reflection or consideration but has descended into the heart directly from Allah. 'Ilm ladunni is that knowledge which was given to al Khidr (Peace be upon him).
(Hayat). The Spiritual Journey is the growth and development of the self as it travels from darkness to light, from ignorance to knowledge, from death to life (hayat). This is the finding of Life in Allah.