friendship is the golden thread that ties the hearts of all the world.
友谊是一根金线，把全世界的心连在一起。
  ——j.evelyn 

without confidence there is no friendship.
没有信任，就没有友谊。——epicurus 

in prosperity our friends know us; in adversity we know our friends. 
在顺境中，朋友结识了我们；在逆境中，我们了解了朋友。——c.collins 

friendship is like money, easier made than kept.
友谊如金钱一般，容易得到却不易保持。
  ——samuel butler 

friendship often ends in love, but love, in friendship—never
友谊常以爱情而结束；而爱情从不能以友谊而告终。——c.c.colton 

suspicion is the poison of friendship.
猜疑对友谊而言是一种毒药。
  ——st.augustine 

do not speak of your happiness to one less fortunate than yourself.
不要向不如你幸福的人说你自己的幸福。
——plutarch 

happiness is a perfume you cannot pour on others without getting a few drops on yourself.
幸福犹如香水，你不可能泼向别人而自己却不沾几滴。——emerson 

it is impossible to love and to be wise.
爱令智昏。——francis bacon 

if you would be loved, love and be lovable.
想被人爱，就要去爱别人，并让自己可爱。
  ——benjamin franklin 

a brother may not be a friend, but a friend will always be a brother. 
兄弟未必是朋友，而朋友总是兄弟。
  ——benjamin franklin 

love, friendship, respect, do not unite people as much as a common hatred for something. 
爱情、友谊和尊敬都不如对某物的共同的恨那样能把人们团结起来。——chekhow 

the course of true love never did run smooth. 
通向真爱的路从无坦途。——shakespeare 

where there is marriage without love, there will be love without marriage. 
有没有爱情的婚姻，就会有没有婚姻的爱情。——benjamin franklin 

if you would keep your secret from an enemy, tell it not to a friend.  
如果不想让你的敌人得知你的秘密，就不要把秘密告诉你的朋友。
  ——benjamin franklin 

a friend that you buy with presents will be bought from you.
用礼物“买来”的朋友终会被买走。
  ——thomas fuller