“It's important to have free and open source software to be able to control your own technical environment.”— Jon Lech Johansen
“With software, there are two possibilities: either the users control the program or the program controls the users.”— Richard Stallman
“The complexity of a software system is an essential property, not an accidental one.”— Fred Brooks
“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'.”— Richard Stallman
“The free software movement is a political movement which happens to use software as its domain.”— Richard Stallman
“Copyleft is a general method for making a program free software and requiring all modified and extended versions of the program to be free software as well.”— Richard Stallman
“The GNU Project was conceived in 1983 as a way of bringing back the cooperative spirit that had prevailed in the computing community in earlier days.”— Richard Stallman
“The X server has to be the biggest program I've ever seen that doesn't do anything for you.”— Ken Thompson
“To what extent should one trust a statement that a program is free of Trojan horses? Perhaps it is more important to trust the people who wrote the software.”— Ken Thompson