朋友是指人际关系已经发展到没有血缘关系，但又十分友好的人。真正的朋友通常会对对方诚实、忠心、忠义，以及先为对方着想。
关于朋友的英语名言：
a friend exaggerates a man’s virtue, an enemy his crimes.
朋友宣扬人的美德，敌人夸大人的罪过。
a friend in court is better than a penny in purse.
囊中有钱，不如朝中有友。
a friend in need is a friend indeed.
患难见真交。
a friend in need is a friend indeed.
患难见真情。
Of all the possessions of this life, fame is the noblest; when the body has sunk into the dust, the great name still lives.
身外之物，声誉最贵；人死之后，名声犹在。
As in the Changjing River waves urge waves, so the younger generation Excels the older generation.
长江后浪推前浪，一代更比一代强。
Men at some time are masters of their fates.
人有时是命运的主人。
You only live once. But if you work it right, once is enough.
你只活一次，如果活得好，一次就够了。
It takes ten years grow trees, but a hundred to rear people.
十年树木，百年树人. 织梦好，好织梦。
a bosom friend afar brings distant land near.
海内存知己，天涯若比邻。
a faithful friend is hard to find. 益友难得。
a father is a treasure, a brother is a comfort, but a friend is both.
父亲是财富，兄弟是安慰，朋友兼而有之。
a friend is a second self.
朋友是另一个我。
a friend is best found in adversity.
患难见真友。
a friend is never known till a man has need.
不到患难时，永远不能认识真正的朋友。
a friend is not so soon gotten as lost.
交友慢，失友快。
a friend to everybody is a friend to nobody.
广交友，无深交。
a good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
a joke never gains an enemy but often loses a friend.
开玩笑总不能化敌为友，反而有时会失去朋友。
a life without a friend is a life without a sun.
人生在世无朋友，犹如生活无太阳。
a near friend is better than a far-dwelling kinsman.
远亲不如近邻。
a ready way to lose friend is to lend him money.
失友皆从借钱起。
a thousand friends are few, one enemy is too many.
朋友千人尚觉少，仇敌一人犹嫌多。
a true friend is known in the day of adversity.
疾风知劲草，患难见真情。
admonish your friends in private, praise them in public.
在私底下要忠告你的朋友，在公开场合又表扬你的朋友。
an empty purse frightens many friends.
囊中无分文，亲友不上门。
be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
better lose a jest than a friend.
宁可不说一句俏皮话，以免得罪朋友们。
choose an author as you choose a friend.
选书如择友。
he that has a full purse never wants a friend.
只要袋里有，不愁没朋友。
without a friend the world is a wilderness.
没有朋友，世界就等於一片荒野。
Friendship the older it grows the stronger it is.
友谊地久天长。
Friends may meet, but mountains never greet.
朋友可相逢，高山永分离。
Friends must part.
天下无不散之筵席。