Writing about Professor César Costa invokes an avalanche of memories and emotions. Perhaps it would be simpler to say that Professor César Costa was, throughout his career, an example to be followed as a doctor, teacher, mentor and citizen (Figure 1). It is impossible not to remember the quality, class and distinction that he lent to every activity in which he was involved, particularly to Nephrology clinical meetings. And that his presence was synonyms with objective, high-level, academic, in-depth systematic, […]