Sri Aurobindo
Letters of Sri Aurobindo
Volume III - Part 4
Fragment ID: 13157
You probably went up into the illumined Mind which has a pale blue light and were receiving there lights from the higher planes and occasionally seeing the flash of the full orb of the Divine Truth.
It is always a mistake for the mind to become active and wanting to know while the experience is going on – it usually stops the experience or disturbs or alters it in some way. The mind must remain passive till the experience is over.