Just see, she is a guru. She is preaching about Krishna.
Yasodanandan das: Prabhupada's room at the Radha-Damodar temple, you can see behind, there were these little holes that let the wind come through and you can actually see behind in the courtyard. So Shyamasundar's daughter, Saraswati, was there, and she was pulling on the shirt of a little Bengali gentleman and she was telling the gentleman, "Who is Krishna? Do you know who is Krishna?" And the gentleman had this amused look on his face. Saraswati may have been 4 or 5 years old at the time, she was very young. Prabhupada was looking and we were looking, and the man was amused that this little girl would ask him that. Then she told him, "Krishna is the Supreme Personality of Godhead, and you should surrender to Him." And Prabhupada said, "Just see, she is a guru. She is preaching about Krishna."
Reference: Following Srila Prabhupada – A Chronological Series
Author: Yadubara Dasa