Watching Your Own Mind

A mystic used to walk every midnight towards the river, just to sit silently there.
A watchman of a nearby bungalow used to notice him come at midnight.
Finally it became impossible to resist, and the watchman stopped the mystic and asked, “I have been watching for months. Not even a single night you have missed. You go every midnight towards the river. Since it is my duty to guard the bungalow I used to follow you initially, but you simply do not take any note of the bungalow or anybody following you. You simply go to the river and sit on the bank for hours. What do you do there?”
The Mystic said, “I am also a watchman. Just as you are watching the bungalow, I am watching my own mind.”
Our mind is always in search of instantaneous realization.