11.   Gore eventually became a listener, too, but only after some painful lessons and bruising defeats.

12.   He has never forgotten that painful lesson.

13.   Hicks said he has learned some painful lessons.

14.   I had to have a wolf huffing and puffing at my door to learn this painful lesson.

15.   Investors in stock funds that are using leverage face the same painful lesson if stocks reverse course.

16.   It is a painful lesson, and one that makes Indians all the more keen for international success.

17.   It has taught this colorful, ponytailed, motorcycle-riding investor and adviser some painful lessons.

18.   It was a painful lesson the Coyotes learned about playoff positioning last year in the final regular-season game at the Arrowhead Pond of Anaheim.

19.   It was a painful lesson.

20.   Last week was a painful lesson in how scary it can be to invest in emerging, undeveloped stock markets.