Fidel Castro: Che was radically opposed to using and developing capitalist economic laws and categories in building socialism. He advocated something that I have often insisted on: Building socialism and communism is not just a matter of producing and distributing wealth but is also a matter of education and consciousness’ (Fidel Castro in ‘Che Guevara, Economics and politics in the transition to socialism. https://wordsmith.social/protestation/quotes#quote3800