/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: angeleduardo77 https://cdn.slidesharecdn.com/profile-photo-angeleduardo77-48x48.jpg?cb=1523394888 El primer paso de la ignorancia es presumir de saber. By Baltasar Gracián