| Clue | Source | Date |
|---|---|---|
| What to do at school, realise you should not have done it (5,4,6) | ||
| Don't repeat a mistake | Newsday | 13 Apr 2023 |
| Know for the future | New York Times | 25 Jul 2020 |
| Avoid repeating a mistake | Newsday | 30 Mar 2018 |
| Avoid the same mistake | ||
| Profit from experience | ||
| Take punishment to heart | ||
| Profit from experience |