To grasp infinity one must understand nothing and everything.
To feel eternity you must first let go of all of reality.
I would say just the opposite. Grasping as a big a picture of reality that my mind can hangle is thrilling to me. I want to feel on some level, the vastness of space... not let go of it.
I was trying to copy that there deep bit of philosophy that is your journal entry.
Besides which, if you want to fall into the void of forever, you gotta' lose your hold on the inhibitions of real life. Instead, let your mind float free in the realm of possibilities.