教育之艰苦在于从意念中获得经验。  
西班牙裔美国哲学家、诗人   桑塔亚那,G. 
 
The greatest lesson in life is to know that even fools are right sometimes. 
Winston Churchill. British statesman  
 傻瓜有时候也是对的。  
英国政治家   丘吉尔 ,W. 　
 
To make good use of life.one should have in youth the experience of advanced years ,and in old age the vigor of youth.  
Stanislars I, Polish king  
 青年而有老年之经验，老年而有青年之朝气，就能使人生发挥更大的作用。  
波兰国王   斯坦尼劳斯一世  
 
To most men , experience is like the stern light of a ship which il-luminates only the track it has passed. 
Samuel Tylor Coleridge, British poet 　
 对于大多数人，经验像是一艘船上的尾灯，只照亮船驶过的航道。  
英国诗人  柯勒津治.  S .T .　
 
Too much experience is a dangerous thing.  
Oscar Wilde, British dramatist 　
 经验过多反而危险。  
英国剧作家  王尔德 . O.　
 
We know nothing of what will  happen in future , but by the analogy of past experience.  
Abraham Lincoln , American president 　
 除了凭着对过去的经验加以类推之外，我们对今后的事一无所知。  
美国总统  林肯 . A .