Professor Pedro González-Trevijano, professor of Constitutional Law, former rector of the URJC and magistrate of the Constitutional Court, has presented his latest work “El purgatorio de las ideas”, a book on aphorisms. The presentation took place at the Casa del Lector and was attended, among others, by Francisco Pérez de los Cobos, president of the Constitutional Court, Fernando Suárez Bilbao, rector of the Rey Juan Carlos University, and the poet and academic Luis Alberto de Basin.