"In the case of any person whose conduct affects prejudicially the interests of others, there is no room for the argument that he should be allowed to do as he likes, because it is his own affair."

"All that makes existence valuable to any one, depends on the enforcement of restraints upon the actions of other people."

"The government of a country by a bureaucracy is an evil of the first magnitude."

"It is questionable if all the mechanical inventions yet made have lessened the toil of any human being."

"The 'self-regarding' actions are those which primarily and directly affect only the agent himself."