Nikola Tesla

"All our efforts, all our imagining, played no role whatsoever."

"Competition is the lifeblood of progress; without it there would be stagnation."

"The greatest achievements were at first and for a time dreams only."

"No amount of failed experiments can prove me wrong, one successful experiment can prove me right."

"Love or Hate—both are infinite emotions."

"My greatest achievements have been the expression of simple truths."

"The creation of a thousand forests is in one acorn."

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

"Obedience to the law of nature which is the supreme law is the path of true freedom."

"Intelligent people are always ready to learn. Everything interests them."

"Light fills all my days and nights."

"The desire to live is universal as long as there is a possibility of life."

"I have come to the conclusion that I am not responsible for anything, and that I never was."

"When I was a boy, I suffered a peculiar affliction due to the appearance of images, often phantasmagoric."

"The greatest good to the greatest number of people, in the fullest achievement of the largest happiness of mankind, should be the ultimate purpose of scientific effort."

"Let the future tell the truth, and evaluate each one according to his work and accomplishments."

"The present is theirs; the future, for which I worked, is mine."

"The present is theirs; the future, for which I really worked, is mine."

"When wireless is perfectly applied the whole earth will be converted into a huge brain."

"Life is and will always be a succession of mistakes, and he who makes the fewest is your friend."

"I have not failed. I've just found 10,000 ways that won't work."

"The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence."

"Peace cannot be kept by force; it can only be achieved by understanding."

"Instinct is something which transcends knowledge."

"The present is theirs; the future, for which I really worked, is mine."

"I do not think there is any thrill that can go through the human heart like that felt by the inventor as he sees some creation of the brain unfolding to success."

"My brain is something more than merely mortal; as to my scientific discoveries, my real interest lies in the true nature of the phenomenon."

"The pleasure which we experience in exercising our talents is the greatest of all pleasures."

"Every living being is an engine for converting nutrients into propagation of the species."

"I have revolutionized the fundamental principles of electrical knowledge."