Is nature a giant cat? If so, who strokes its back?

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.

My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.

I am even grateful to Einstein and others because through their erroneous theories they lead mankind away from that dangerous path I followed.

It will soon be possible to transmit wireless messages around the world so simply that any individual can carry and operate his own apparatus.

No rocket will reach the moon save by a miraculous discovery of an explosive far more energetic than any known. And even if the requisite fuel were produced, it would still have to be shown that the rocket machine would operate at 459 degrees below zero-the temperature of interplanetary space.

Our senses enable us to perceive only a minute portion of the outside world.