I cannot exaggerate the effect of this marvelous sight on my childish imagination. Day after day I asked myself what is electricity and found no answer. Eighty years have gone by since and I still ask the same question, unable to answer it.

The recurrence of a phenomenon like Edison is not very likely. The profound change of conditions and the ever increasing necessity of theoretical training would seem to make it impossible. He will occupy a unique and exalted position in the history of his native land, which might well be proud of his great genius and undying achievements in the interest of humanity.

Fights between individuals, as well as governments and nations, invariably result from misunderstandings in the broadest interpretation of this term.

We crave for new sensations but soon become indifferent to them. The wonders of yesterday are today common occurrences

The mind is sharper and keener in seclusion and uninterrupted solitude. Originality thrives in seclusion free of outside influences beating upon us to cripple the creative mind. Be alone-that is the secret of invention: be alone, that is when ideas are born.

With a different form of wireless instrument devised by me some years ago it was found practicable to locate a body of metallic ore below the ground, and it seems that a submarine could be similarly detected.

Every effort under compulsion demands a sacrifice of energy. I never paid such a price.