21.Everythinghasitstimeandthattimemustbewatched.万物皆有时，时来不可失。22.Taketimewhentimecomeslesttimestealaway.时来必须要趁时，不然时去无声息。23.Whenanopportunityisneglected，itnevercomesbacktoyou.机不可失，不再来；机会一过，永不再来。24.Makehaywhilethesunshines.晒草要趁太阳好。25.Strikewhiletheironishot.趁热打铁。26.Worktoday，foryouknownothowmuchyoumaybehinderedtomorrow.今朝有事今朝做，明朝可能阻碍多。27.Punctualityisthesoulofbusiness.守时为立业之要素。28.Procrastinationisthethiefoftime.因循拖延是时间的大敌；拖延就是浪费时间。29.Everytidehasitsebb.潮涨必有潮落时。30.Knowledgeispower.知识就是力量。31.Wisdomismoretobeenviedthanriches.知识可羡，胜于财富。32.Wisdomisbetterthangoldorsilver.知识胜过金银33.Wisdominthemindisbetterthanmoneyinthehand.胸中有知识，胜于手中有钱。34.Wisdomisagoodpurchasethoughwepaydearforit.为了求知识，代价虽高也值得。35.Doubtisthekeyofknowledge.怀疑是知识之钥。36.Ifyouwantknowledge，youmusttoilforit.若要求知识，须从勤苦得。37.Alittleknowledgeisadangerousthing.浅学误人。38.Ahandfulofcommonsenseisworthabusheloflearning.少量的常识，当得大量的学问。39.Knowledgeadvancesbystepsandnotbyleaps.知识只能循序渐进，不能跃进。40.Learnwisdombythefolliesofothers.从旁人的愚行中学到聪明。
