If you think of a star, far out in space, and view it within your minds eye, you will see an object of light in color, imagine our sun, the closer you get to it, the more we know where we focus from, since that point of focus is shifting in space. If One where to go within this focal point, we could say you broke One of your minds barriers, there's a difference between imagining and seeing what is really there, the same way we can feel... let's say an empty point in space, to focus upon this empty space, you are residing within it, your focal point is close to it.
Within that point of awareness you can view it by seeing where your focus comes from. To focus on focus by going within, can be the same as advancing in the space time continuum, as space is only energy emitted from? A focal point in time, which can be anything, a star, planets, flowers, a drop of water, bird, tree's etc...
If there's nothing your focusing on within... the size of that particular focus point in space, let's say a bird, Is what creates to help you view beyond your mind's barriers.
To view it clearly put another object beside that point your focusing on in space and measure the size of what your focusing with by shifting your awareness to become that singular point in time. The points are all connected either bigger or smaller than your focal point, to begin to feel "change", all you need to do is expand the energetic outflow in space and time. Now if that star where to be in that focal point that your focus was before, you have reached a new awareness within, it can be the same or another depending what you are trying to achieve.
55 Doubles the trend to shift the unseen, being the point in time where your awareness transcends all matter in the focal points within the minds eye.