Nature may reach the same result in many ways.

To stop war by the perfection of engines of destruction alone, might consume centuries and centuries. Other means must be employed to hasten the end.

Alternate currents, especially of high frequencies, pass with astonishing freedom through even slightly rarefied gases. The upper strata of the air are rarefied. To reach a number of miles out into space requires the overcoming of difficulties of a merely mechanical nature.

To create and to annihilate material substance, cause it to aggregate in forms according to his desire, would be the supreme manifestation of the power of Man's mind, his most complete triumph over the physical world.

The individual is ephemeral, races and nations come and pass away, but man remains.

My Mother had taught me to seek all truth in the Bible.

Archimedes was my ideal. I admired the works of artists, but to my mind, they were only shadows and semblances. The inventor, I thought, gives to the world creations which are palpable, which live and work.