Civilization is a limitless multiplication of unnecessary necessities.
 文明是不必要的必需品的无限增加。
 Mark Twain 马克 吐温
 
Cleanliness is next to godliness.
 清洁仅次于圣洁
 
Clever all one's life, but stupid this once. /Smart as a rule, but this time a fool.
 聪明一世，糊涂一时
 
Cleverness does not take the place of knowledge.
 聪明不能代替知识 
 
Clothes do not make the man.
 人不在衣装 
 
Cloudy mornings turn to clear evenings
 早见云雾晚见晴
 
Cold broth hot again, that loved I never; Old love renewed again, that loved I ever.
 冷汤回锅味不鲜 ,旧情复燃更缠绵
 
Comfort is better than pride.
 华美不如舒适 
 
Coming events cast their shadows before.
 未来之事，必有征兆
 
Command your man and do it yourself.
 要求部下做到 ,自己也要做到
 
Community of purpose makes friendship.
 目标一致生友谊 
 
Complete sincerity can affect even metal and stone.
 精诚所至 ,金石为开
 
Compromise is simply changing the question to fit the answer.
 妥协只不过是修改问题以迁就答案 
 
Conceit comes from shallowness; arrogance is due to ignorance.
 骄傲来自浅薄，狂妄出于无知 
 
Conceit is the most incurable disease that is known to the human soul.
 骄傲自满是精神上最不可救药的顽症
 
Conceit is the quicksand of success.
 自负是成功的流沙
 
Conceit may puff a man up, but it can never prop him up.
 自高自大可以使一个人膨胀起来，但并不能支撑住他
 J.Ruskin 罗斯金
 
Conceited [=ingenious] goods are quickly spent.
 花哨货 ,不经用
 
Conditions are changing all the time, and to adapt one's thinking to the new conditions. one must study.
 情况是在不断地变化 ,要使自己的思想适应新的情况就得学习
 Mao Zedong 毛泽东
 
Confidence is a plant of slow growth.
 信任是一棵难长的树 
 
Conquer the fear of death and you are put into possession of your life.
 征服对死的恐惧 ,你就占有了生命
 G.Meredith 梅瑞狄斯
 
Constant dropping wears away a stone.
 滴水可以穿石 
 
Content is the philosopher's stone, that turns all it touches into gold.
 知足好比点金术
 
Content lodges oftener in cottages than palaces.
 满足常在村舍 ,而不在王宫
 
Contentment is natural wealth, luxury is artificial poverty.
 知足是天然的财富 ,奢侈是人为的贫困
 
Co-operation is doing with a smile what you have to do anyhow.
 所谓合作，就是面带笑容去做非做不可的事