11. A close mouth catches no flies.
病从口入。

12. A constant guest is never welcome.
常客令人厌。

13. Actions speak louder than words.
事实胜于雄辩。

14. Adversity leads to prosperity.
穷则思变。

15. Adversity makes a man wise, not rich.
逆境出人才。

16. A fair death honors the whole life.
死得其所，流芳百世。

17. A faithful friend is hard to find.
知音难觅。

18. A fall into a pit, a gain in your wit.
吃一堑，长一智。

19. A fox may grow gray, but never good.
江山易改，本性难移。

20. A friend in need is a friend indeed.
患难见真情。