Life must be considered sui generis; it is not a form of energy, nor can it be expressed in terms of something else. - Oliver Lodge

All potential energy exists in the ether. It may vibrate, and it may rotate, but as regards locomotion it is stationary—the most stationary body we know: absolutely stationary, so to speak; our standard of rest.

Motion and force are our primary objects of experience and consciousness; and in terms of them all other less familiar occurrences may conceivably be studied and grasped.

I have made no secret of my conviction, not merely that personality persists, but that its continued existence is more entwined with the life of every day than has been generally imagined; that there is no real breach of continuity between the dead and the living; and that methods of intercommunion across what has been deemed a gulf can be set going in response to the urgent demand of affection,—that in fact as Diotima told Socrates (Symposium, 202 and 203),