"All that was great in the past was ridiculed, condemned, combated, suppressed — only to emerge all the more powerfully, all the more triumphantly from the struggle."

"Electric power is everywhere present in unlimited quantities and can drive the world's machinery without the need of coal, oil, gas, or any other of the common fuels."

"As long as there are different nationalities, there will be patriotism. That feeling has to be rooted out from our hearts before the permanent peace is established. It should be replaced by love towar…"

"I would give a thousand secrets of nature upon which I stumbled by accident, in exchange for this one which I extracted from nature, in spite of all the miracles and dangers which I faced."

"We must all have some ideal which will govern our behaviour and satisfy us, but it is not material. It can be religion, art, science, whatever, it is only important that it acts as a non-material forc…"