"Every perception is to some degree an act of creation, and every act of memory is to some degree an act of imagination."

-- Gerald Edelman, Second Nature: Brain Science and Human Knowledge
 Debería leer aquellos libros que usted considere importantes.  La figura más importante de la matemática del siglo XIX es, sin lugar a dudas, Gauss. Spanish Beginner Spanish word: convertir algo English word: Pronunciation: https://storage.googleapis.com/alley-d0944.appspot.com/LanguageMaster/pronunciationesconvertir.mp3