'Do you know to what place men go from here?' 'No, Sir,' he replied. 'Do you know how they return again?' 'No Sir,' he replied. 'Do you know where the path of Devas and the path of the fathers diverge?' 'No, Sir,' he replied.

In plain words: The king asks Svetaketu where people go after they die and how they come back. He also asks where the path of the gods and the path of the ancestors split apart. Svetaketu cannot answer any of these.