"Using a proprietary program is like being a prisoner in a cage, and the bars are made of code."

"I'm not a guru. I'm just a guy who thinks about freedom."

"'Free software' is a matter of liberty, not price. To understand the concept, you should think of 'free' as in 'free speech,' not as in 'free beer.'"

"I see nothing unethical in the job it does. Why shouldn't you send a copy of some music to a friend?"

"Once GNU is written, everyone will be able to obtain good system software free, just like air."