IF it be a fact that all is Mind, it precludes the possibility of the existence of matter as an integral part of the universe, or as having any real existence.
All agree that Mind is Intelligence. There can be no intelligence apart from Mind. Mind, or intelligence must be Life. Non-intelligent Life is an impossibility.
Mind must be Life or alive. We cannot conceive of dead Mind. Life then, or that which is alive, must be the only entity, the only reality.