There is nothing that I would add, subtract, or edit from this video from Magenta Pixie. Clear, succinct overview of multi- and interdimensional infinities in all directions and the role of the imagination in creating realities. Really speaks to me. Thanks to stevebeckow.com for the reference.

[youtube=http://www.youtube.com/watch?v=CuVhIPHvsqU&feature=player_embedded]