Answer:
He describes what Stanley's mother often says.
Step-by-step explanation:
Remember, the statement from the excerpt,
"At such times she neglected to mention the bad luck that befell the first Stanley Yelnats."
This statement by the author thus indicates that Stanley's mother often chooses to focus on the positive side of a situation. For example, despite the fact that the first Stanley Yelnat lost his fortune suddenly, no mention was made by her.