A seeker wrote, ‘One night when I was offering the tahajjud salah, as I turned (my head) to say (the exit) salam I saw a light, like a chandelier, near my home’s restroom. I expeienced heartfelt delighted at seeing it.
What was this that I saw? Was it my imagination?
Most of the time it is with (excessive) remembrance and (spiritual) exercises (shugal) that effulgence are observed. I have not started any of these activities as yet.’
Hakim al Umma Maulana Ashraf Ali Thanvi (Allah have mercy on him) replied,,
‘Sometimes (observing) effulgence like these are due to one’s imagination. At other times they may be Angelic effulgence.
The first type is most common. However, they are also beneficial for the seeker as they make him serene (yaksu). And if he utilizes this (serenity) in remembrance (of Allah) it will be more beneficial (form of remembrance) dhikr.’
Tarbiyet us Salik, voulme 1, page 552