Therefore the Sufi centers his delight in consciousness, the permanent beloved, instead of running after passing shadows, but consciousness also shows its limitation, its time of becoming conscious and again its nature of ceasing to be the same. This shows that its origin must be in its opposite state meaning unconsciousness which is called "eternal consciousness" by mystics and "darkness" in the Qur'an. This state can be realized as the most real, steady and unchangeable one existence. The seekers of this never cast even a glance towards illusionary existence.