Do not let your fire go out.

You don't build for the way people live, but for the way they should live. I don't write about people as they are, but as they could be and should be.

It is a policeman’s duty to retrieve stolen property and return it to its owners. But when robbery becomes the purpose of the law, and the policeman’s duty becomes, not protection, but the plunder of property - then it is an outlaw who has to become a policeman.

You love your work. God help you, you love it! And thats the curse. That's the brand on your forehead for all of them to see. You love it and they know it, and they know they have you. Do you ever look at the people in the street? Aren't you afraid of them? I am. They move past you and they wear hats and they carry bundles. But that's not the substance of them. The substance of them is hatred for any man who loves his work. That's the only kind they fear. I don't know why

You seek escape from pain. We seek the achievement of happiness. You exist for the sake of avoiding punishment. We exist for the sake of earning rewards. Threats will not make us function; fear is not our incentive. It is not death that we wish to avoid, but life that we wish to live

No concept man forms is valid unless he integrates it without contradiction into the sum of his knowledge.

America's abundance was created not by public sacrifices to the common good, but by the productive genius of free men who pursued their own personal interests and the making of their own private fortunes. They did not starve the people to pay for America's industrialization. They gave the people better jobs, higher wages, and cheaper goods with every new machine they invented, with every scientific discovery or technological advance- and thus the whole country was moving forward and profiting, not suffering, every step of the way.