"Go confidently in the direction of your dreams! Live the life you’ve imagined. As you simplify your life, the laws of the universe will be simpler."

"If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them."

"The greatest of evils is to be guilty of none."

"I perceive that, when an old man has done what he has to do, and has said what he has to say, he is as ready to go as an old clock to strike."

"It is not necessary that a man should earn his living by the sweat of his brow, unless he sweats easier than I do."