But instinct is something which transcends knowledge. We have, undoubtedly, certain finer fibers that enable us to perceive truths when logical deduction, or any other willful effort of the brain, is futile.

I can now state that I have succeeded in operating a motive device by means of [cosmic rays]. I will tell you in the most general way, the cosmic ray ionizes the air, setting free many charges - ions and electrons. These charges are captured in a condenser which is made to discharge through the circuit of the motor.

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

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

All the great religions contain wise prescriptions relating to the conduct of life, which hold good now as they did when they were promulgated.

I do not think you can name many great inventions that have been made by married men.