“A diamond is a piece of coal that stuck to the job”

“It is absurd to say that our country can issue $30,000,000 in bonds and not $30,000,000 in currency. Both are promises to pay; but one promise fattens the usurer (banker), and the other helps the people. If the currency issued by the Government were no good, then the bonds issued would be no good either. It is a terrible situation when the Government, to increase the national wealth, must go into debt and submit to ruinous interest charges at the hands of men who control the fictitious values of gold.”

“I know of over 3,000 ways [that] a light bulb does not work.”

“Mr. Edison worked endlessly on a problem, using the method of elimination. If a person asked him if he were discouraged because so many attempts proved unavailing, he would say, "No, I am not discouraged, because every wrong attempt discarded is another step forward.".”

“A good intention, with a bad approach, often leads to a poor result.”

“Ideas are the very coinage of your brain.”

“It has come to be practically a sort of rule in literature that a man, having once shown himself capable of original writing, is entitled thenceforth to steal from the writings of others at discretion.”

“We are the prisoners of ideas.”

“Nor age so eat up my invention.”

“Ideas are the very coinage of your brain.”

“Where art thou, Muse, that thou forget'st so long / To speak of that which gives thee all thy might?”

“Do not craze yourself with thinking, but go about your business anywhere.”

“Improve your spare moments and they will become the brightest gems in your life.”

“Genius has no taste for weaving sand.”

“Sleep knits up the raveled sleeve of care.”

“For in that sleep of death what dreams may come.”

“You lack the season of all natures, sleep.”