Matter, which appears to be dense according to physics, actually is made up mostly of empty space, with a few very small particles moving around like planets. At high energy, other particles pass through what appears to be solid matter.
… As you probe more deeply into matter, it appears to have more and more subtle properties. In my view, the implications of physics seem to be that nature is so subtle that it could be almost alive or intelligent.
… The question is whether matter is rather crude and mechanical, or whether it gets more and more subtle, and becomes indistinguishable from what people have called mind.
from Dialogues with Scientists and Sages: The Search for Unity