1. A good book is the best of friends, the same today and forever. 一本好书,相伴一生。 2. A good conscience is a soft pillow. 不做亏心事,不怕鬼叫门。 3. A fall into a pit, a gain in your wit. 吃一堑,长一智。 4. A fox may grow gray, but never good. 江山易改,本性难移。 5. A friend in need is a friend indeed. 患难见真情。