separate

One of the most surprising discoveries of modern physics is that objects aren’t as separate as they may seem. When you drill down into the core of even the most solid-looking material, separateness dissolves.  
There is no separation in consciousness ~ Russell Targ
Although each of us obviously inhabits a separate physical body, the laboratory data from a hundred years of parapsychology research [...]
We are like islands in the sea, separate on the surface but connected in the deep. ~ William James
We are like islands in the sea, separate on the surface but connected in the deep.