21.Knowledge advances by steps not by leaps. 知识的获得是循序渐进而不是突飞猛进的。
22.Learning makes a good man better and ill man worse. 知识能使好人更好，坏人更坏。
23.All work and no play makes Jack a dull boy. 只工作，不玩耍，聪明孩子要变傻。
24.Knowledge makes humble, ignorance makes proud. 博学使人谦逊，无知使人骄傲。
25.There is no end to learning. 学无止境。
26.Bitter pills may have wholesome effects. 良药苦口利于病。
27.A close mouth catches no flies. 病从口入。
28.An apple a day keeps the doctor away. 每天一只苹果,疾病远离我。
29.Radish and ginger keep away from doctor. 冬吃萝卜夏吃姜,不劳医生开药方。
30.Diet cures more than the doctor. 药补不如食补。
31.I have no secret of success but hard work. 成功无秘诀,只是努力干。
32.Failure is the mother of success. 失败是成功之母。
33.Diligence is the mother of success. 勤奋是成功之母。
34.Time is a file that wears and makes no noise. 光阴如锉，细磨无声。
35.Never put off till tomorrow what you can do today! 切勿将今日能干完的事推到明日；明日复明日，明日何其多
36.To save time is to lengthen life. 时间就是生命，节省时间就是延长生命！
36.Time is the greatest teacher. 时间是最好的老师。
37.Time tries friends as fire tries gold. 时间考验朋友，烈火考验黄金。
38.Time means life,time means speed,time means strength. 时间就是生命，时间就是速度，时间就是力量。
39.One of these days is none of these days. 拖延时日，终难实现。
40.What may be done at any time will be done at no time. 常将今日推明日，推到后来无足迹。
41.A thousand mile trip begins with one step. 千里之行，始于足下
42.He who had never been to the Great Wall isn't a true man. 不到长城非好汉。
43.One tree can't make a forest. 独木不成林。
44.Union is strength. 团结就是力量。
45.A stake with three fence, a good brave fellow three help. 一个篱笆三个桩,一个好汉三个帮。
46.Two heads are better than one. 三个臭皮匠，顶个诸葛亮。
47.When everybody adds fuel, the flames rise high. 众人拾柴火焰高。
48.Practice makes perfect. 熟能生巧。
49.Don't leave today's work for tomorrow. 当日事，当日毕。
50.A true friend is known in the day of adversity. 疾风知劲草,患难知友情。