In a time not distant, it will be possible to flash any image formed in thought on a screen and render it visible at any place desired. The perfection of this means of reading thought will create a revolution for the better in all our social relations.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.

The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind.

All matter comes from a primary substance, the luminiferous ether

The day when we shall know exactly what electricity is will chronicle an event probably greater, more important than any other recorded in the history of the human race. The time will come when the comfort, the very existence, perhaps, of man will depend upon that wonderful agent.

The progressive development of man [has as its] ultimate purpose the complete mastery of mind over the material world.

We build but to tear down. Most of our work and resource is squandered. Our onward march is marked by devastation. Everywhere there is an appalling loss of time, effort and life. A cheerless view, but true.