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。