一、经典友谊谚语
1. A friend in need is a friend indeed.
患难见真情。（广泛引用，如）
2. Old friends and old wine are best.
陈酒味醇，老友情深。
3. A bosom friend afar brings a distant land near.
海内存知己，天涯若比邻。
4. Between friends all is common.
朋友之间不分彼此。
5. Friendship is like a plant of slow growth.
友谊像生长着的植物，需耐心培育。
6. True friendship lasts forever.
真正的友谊地久天长。
7. A friend is a second self.
朋友是另一个自我。
8. A man is known by his friends.
观其友，知其人。
9. A good book is the best of friends, the same today and forever.
好书如挚友，情谊永不渝。
10. Friendship cannot stand always on one side.
友谊是相互的，单方面的付出难长久。
二、友情中的智慧与哲理
1. The friendship of a gentleman is insipid as water.
君子之交淡如水。
2. No man can be happy without a friend, nor be sure of his friend till he is unhappy.
没有朋友的人不会幸福，不处逆境不能识别朋友。
3. Better an open enemy than a false friend.
虚假的朋友比公开的敌人更可怕。
4. A friend to all is a friend to none.
者无深交。
5. The true friendship seeks to give, not take.
真正的友谊追求给予而非索取。
6. Friendship multiplies joys and divides griefs.
友谊使欢乐倍增，悲痛锐减。
7. Without confidence there is no friendship.
没有信任，便无友谊。
三、友情的相处之道
1. To prepare a friend, honor him present, praise him absent, and assist him in his necessities.
维护朋友需：当面尊重，背后赞扬，困难时相助。
2. The more we love our friends, the less we flatter them.
对朋友爱得越深，奉承得越少。
3. A man knows his companion in a long journey and a little inn.
路遥知马力，日久见人心。
4. Choose thy friends like thy books, few but choice.
择友如选书，贵精不贵多。
5. I like a simple friend, who holds my faults like a looking glass.
真正的朋友直言不讳，如明镜映照缺点。
6. Friends must part.
送君千里，终须一别。
7. Even the best of friends must part.
天下无不散的宴席。
四、信任与支持
1. A true friend is one soul in two bodies.
真正的朋友心灵相通。
2. A friend exaggerates your virtues, an enemy your faults.
朋友宣扬美德，敌人放大过失。
3. A trouble shared is a trouble halved.
两人分担，困难减半。
4. The best mirror is a friend’s eye.
朋友的眼睛是最好的镜子。
5. A friend’s eye is a good mirror.
朋友的视角是明镜。
五、其他精选谚语
饥难周友。
朋友如琴弦，勿拧太紧。
囊中有钱，不如朝中有友。
朋友可相逢，高山永分离。
以上为部分经典谚语，完整列表可参考来源网页（如）。友情谚语不仅传递智慧，更提醒我们珍惜身边的真挚情谊。
