An inventor's endeavor is essentially lifesaving. Whether he harnesses forces, improves devices, or provides new comforts and conveniences, he is adding to the safety of our existence. He is also better qualified than the average individual to protect himself in peril, for he is observant and resourceful.
Nikola TeslaWe crave for new sensations but soon become indifferent to them. The wonders of yesterday are today common occurrences
Nikola TeslaNo 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.
Nikola TeslaI am even grateful to Einstein and others because through their erroneous theories they lead mankind away from that dangerous path I followed.
Nikola Tesla