23.When an opportunity is neglected,it never comes back to you. 机不可失,时不再来；机会一过,永不再来. 24.Make hay while the sun shines. 晒草要趁太阳好. 25.Strike while the iro is hot. 趁热打铁. 26.Work today,for you know not how much you may be hindered tomrrow. 今朝有事今朝做,明朝可能阻碍多. 27.Punctuality is the soul of business. 守时为立业之要素. 28.Procrastination is the thief of time. 因循拖延是时间的大敌；拖延就是浪费时间. 29.Every tide hath its ebb. 潮涨必有潮落时. 30.Knowledge is power. 知识就是力量. 31.Wisdom is more to be envied than riches. 知识可羡,胜于财富. 32.Wisdom is better than gold or silver. 知识胜过金银, 33.Wisdom in the mind is better than money in the hand. 胸中有知识,胜于手中有钱. 34.Wisdom is a good purchase though we pay dear for it. 为了求知识,代价虽高也值得. 35.Doubt is the key of knowledge. 怀疑是知识之钥. 36.If you want knowledge,you must toil for it. 若要求知识,须从勤苦得. 37.A little knowledge is a dangerous thing. 浅学误人. 38.A handful of common sense is worth a bushel of learning. 少量的常识,当得大量的学问. 39.Knowledge advances by steps and not by leaps. 知识只能循序渐进,不能跃进. 40.Learn wisdom by the follies of others. 从旁人的愚行中学到聪明.
41.It is good to learn at another man’s cost. 前车可鉴. 42.Wisdom is to the mind what health is to the body. 知识之于精神,一如健康之于肉体. 43.Experience is the best teacher. 经验是最好的教师.