Examine your experience always, and ask yourself whether it changes in time or space.
If it is found to change, advance further till you come to that experience from which you can never change, even for a moment, even if you try. That is then no experience either, but your real nature itself.
From: Notes on Spiritual Discourses - Taken by Nitya Tripta, 1950 - 1959 (nr. 40)