41. It six of one and half a dozen of the other. 彼此彼此。

42. Just has long arms. 天网恢恢，疏而不漏。

43. Keep something for a rainy day. 未雨绸缪。

44. Life is a span. 人生如朝露。

45. Man proposes, God disposes. 谋事在人，成事在天。

46. Meet plot with plot. 将计就计。

47. Merry meet, merry part. 好聚好散。

48. Mind acts upon mind. 心有灵犀一点通。

49. Never hit a man when he is down. 不要落井下石。

50. Never judge by appearances. 切莫以貌取人。

51. No fire without smoke. 无风不起浪。

52. Nurture passes nature. 教养胜过天性。

53. One is never too old to learn. 活到老，学到老。

54. One swallow does not make a summer. 一燕不成夏。(一花独放不是春。)

55. One who has seen the ocean thinks nothing of mere rivers. 曾经沧海难为水。

56. Out of sight, out of mind. 眼不见，心不烦。

57. Practice makes perfect. 熟能生巧。

58. Poverty is stranger to industry. 勤劳之人不受穷。

59. Rome was not built in a day. 罗马不是一日建成的。(伟业非一日之功。)

60. Sense comes with age. 老马识途。

原文：http://blog.51ielts.com/user1/55/archives/2007/7359.html