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

“I have always been ahead of my time.”

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

“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.”

“Women will ignore precedent and startle civilization with their progress.”

“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.”

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

“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.”

“We are the sum total of our experiences.”

“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.”

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

“Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.”

“Time will judge us.”

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