“Perhaps I failed, but I did my best. These masters of mine may do the rest.”

“It is paradoxical yet true to say that the more we know, the more ignorant we become in the absolute sense; only through enlightenment do we become conscious of our limitations. One of the most gratifying results of intellectual evolution is the continuous opening up of new and greater prospects.”

“The last twenty-nine days of the month are the toughest!”

“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.”

“The spread of civilization may be likened to a fire: first a feeble spark, next a flickering flame, then a mighty blaze, ever increasing in speed and power.”

“The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of a planter — for the future. His duty is to lay the foundation for those who are to come and to point the way. He lives, labors, and hopes.”

“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. Such emotions make a man forget food, sleep, friends, love—everything.”

“In the twenty-first century, the robot will take the place which slave labor occupied in ancient civilization.”

“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.”

“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.”

“The harness of waterfalls is the most economical method known for drawing energy from the sun.”

“If you only knew the magnificence of the 3, 6, and 9, you would have the key to the universe.”

“The great mysteries of our existence have yet to be solved; even death may not be the end.”

“To understand the huge mechanism of nature, to discover its creative forces, and to understand its laws — this is the greatest goal of the human mind.”

“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.”

“The hard work of the future will be pushing buttons.”

“Ideas are born when the mind is free from external influence.”

“When natural inclination develops into a passionate desire, one advances toward their goal in seven-league boots.”

“Most persons are so absorbed in the contemplation of the outside world that they are wholly oblivious to what is passing on within themselves.”

“We are all one. Only egos, beliefs, and fears separate us.”

“The action of even the smallest creature leads to changes in the entire universe.”

“One's salvation can only be achieved through one's own efforts.”

“What one man calls God, another calls the laws of physics.”

“The gift of mental power comes from God, Divine Being. If we concentrate our minds on that truth, we become in tune with this great power.”

“Our brain has very sensitive nerve cells that allow us to sense the truth even before it becomes obvious.”

“We are the sum total of our experiences.”

“If you want to find the secrets of the universe, think in terms of energy, frequency, and vibration.”

“We crave new sensations, but soon become indifferent to them. The wonders of yesterday are today common occurrences.”

“The desire that guides me in all I do is the desire to harness the forces of nature to the service of mankind.”

“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 have really worked, is mine.”

“We all make mistakes, and it is better to make them before we begin.”

“I hope this is the invention that will make war impossible.”

“As I review the events of my past life, I realize how subtle are the influences that shape our destinies.”

“Intelligent people tend to have fewer friends than the average person. The smarter you are, the more selective you become.”

“Time will judge us.”

“If your hate could be turned into electricity, it would light up the whole world.”

“A new idea must not be judged by its immediate results.”

“My belief is firm in the law of compensation. The true rewards are ever in proportion to the labor and sacrifices made.”

“I don't care that they stole my idea... I care that they don't have any of their own.”

“I guess I'll keep going until I drop dead.”

“Intuition is something that is ahead of accurate knowledge.”