Time is not outside of spatial dimensions - it's one of them.
"In physics, spacetime (also space--time, space time or space--time continuum) is any mathematical model that combines space and time into a single continuum. Spacetime is usually interpreted with space as existing in three dimensions and time playing the role of a fourth dimension that is of a different sort from the spatial dimensions.
" - http://en.wikipedia.org/wiki/Spacetime
As long as you continue to envision one point as space-bound:
Dan Richards wrote:
But the problem with this "keep one point" is - where is the point? What is it relative to? Is it static? Does it move? What size is it? What constitutes a "point?"
the meaning of the phrase "keep one point" will elude you. All of your questions regarding "keep one point" are centered around spatial characteristics. All I'm asking is that you put aside trying to figure out what one point is and consider "keep one point" from the point of view of how the phrase relates to the temporal relationship between mind and body.