1、a close mouth catches no flies.
病从口入。
2、a constant guest is never welcome.
常客令人厌。
3、actions speak louder than words.
事实胜于雄辩。
4、adversity leads to prosperity.
穷则思变。
5、adversity makes a man wise, not rich.
逆境出人才。
6、a fair death honors the whole life.
死得其所，流芳百世。
7、a faithful friend is hard to find.
知音难觅。
8、a fall into a pit, a gain in your wit.
吃一堑，长一智。
9、a fox may grow gray, but never good.
江山易改，本性难移。
10、a friend in need is a friend indeed.
患难见真情。
