2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/13469I present a brief review about our ideas concerning the origin and nature of the broad line emitting gas. This is one of the outstanding problems in quasar research. I suggest the establishment of a central data base of high quality quasar spectra as a means to realize an understanding of quasars.11 pages, LATeX (paspconf.sty), no figures. To appear in proceedings of "Quasars and Cosmology" (1998 May 18-22, La Serena, Chile), ASP Conference Series, ed. G. FerlandAstrophysicstext