"The oldest and best known function for an ether is the conveyance of light, and hence the name "luminiferous" was app…"

"What properties are essential to a medium capable of transmitting wave motion? Roughly, we may say two: elasticity an…"

"The waves of light are not anything mechanical or material, but are something electrical and magnetic—they are, in fa…"

"Motion and force are our primary objects of experience and consciousness; and in terms of them all other less familia…"

"A body can only act immediately on what it is in contact with; it must be by the action of contiguous particles—that …"

"All potential energy exists in the ether. It may vibrate, and it may rotate, but as regards locomotion it is stationa…"

"I have made no secret of my conviction, not merely that personality persists, but that its continued existence is mor…"

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

"It is not the germ cell itself, but the bodily accretion or appendage, which is abandoned by life, and which accordin…"

"Death is not extinction. Neither the soul nor the body is extinguished or put out of existence. The body weighs just …"