The principal lesson of Emacs is that a language for extensions should not be a mere "extension language". It should be a real programming language, designed for writing and maintaining substantial programs. Because people will want to do that!
Richard StallmanPaying isnโt wrong, and being paid isnโt wrong. Trampling other peopleโs freedom and community is wrong, so the free software movement aims to put an end to it, at least in the area of software.
Richard Stallman