The Paris Appeal is euclid's manifesto, and it was signed by all founding members of euclid at its launch in Paris on 16 March 2007. The Paris Appeal sets forth our vision of a European third sector that is modern and innovative. euclid Manifesto (English) euclid Manifesto (French) euclid Manifesto (German) If you share our vision then please join us to help make it a reality. You can join euclid here.