Yesterday I meditated in the park for quite some time, and repetitively felt the sensation that my mind would be empty my mind would be pure

Like a dolphin or a whale swimming up to the top for air. Breathing in the atmosphere, breathing in the zone between transcendent and personal.

Only to then plunge back down into the ego.

And so then today, it kind of hit me that this is a literally the default mode Network as described in neuroscience