Quoted By:
It's not that hard.
imagine a 1d person trying to move in 2 dimensions. all he has to do is walk along and axis he has never walked before (y). now Imagine a 2d person trying to move in 3 dimensions. all he has to do is walk along an acid that he has never walked before (z). now imagine a 3d person trying to to move in 4 dimensions. all you need to do is walk on a new axis.
