Within a few years a simple and inexpensive device, readily carried about, will enable one to receive on land or sea the principal news, to hear a speech, a lecture, a song or play of a musical instrument, conveyed from any other region of the globe.

I could only achieve success in my life through self-discipline, and I applied it until my wish and my will became one.

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

There is no subject more captivating, more worthy of study, than nature. To understand this great mechanism, to discover the forces which are active, and the laws which govern them, is the highest aim of the intellect of man.

Money does not represent such a value as men have placed upon it. All my money has been invested into experiments with which I have made new discoveries enabling mankind to have a little easier life.

It is a simple feat of scientific electrical engineering — only expensive — blind, faint-hearted, doubting world.

I have harnessed the cosmic rays and caused them to operate a motive device.