He relieved his boredom by becoming an avid reader, and beginning in 1900, he began holding literary gatherings at his family mansion, in the penthouse nicknamed La Torre de los Panoramas for its spectacular views of the Río de la Plata.
There, he underwent a transformation from Romanticist to avant-garde Modernist and Surrealist, earning himself posthumous recognition as a major figure in the development of 20th-century Latin American poetry, alongside Leopoldo Lugones, Ricardo Jaimes Freyre, and Salvador Díaz Mirón.