以下是一些关于友谊的英语句子：

A friend in need is a friend indeed. 患难见真情。

A good book is a best friend that never turns its back upon us. 一本好书，莫逆之交。

One who does not value friendship cannot be trusted. 不重视友谊的人不可信。

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 friend is easier lost than found. 得朋友难，失朋友易。

True friends stab you in the front. 真朋友当面中伤你。

The best mirror is an old friend. 最好的镜子是老朋友。

Keep up good friendship with those who have deserted you and hold on to those who have stuck by you. 对背叛你的人保持友好，对支持你的人要忠诚。

True friendship is like sound health; the value of it is seldom known until it be lost. 真正的友谊犹如健康，只有失去时才意识到其价值。

A true friend is one soul in two bodies. 真正的朋友好似两个身子长着一颗心。

1. "A true friend is someone who is always there for you, through the good times and the bad."

2. "Friendship is the key that unlocks the doors to happiness and brings joy to life's journey."

3. "In the garden of friendship, happiness blossoms."

4. "Friends are like stars, you may not always see them, but you know they're always there."

5. "A friend is someone who understands your past, believes in your future, and accepts you just the way you are."

6. "The greatest gift of life is friendship, and I am truly grateful for the amazing friends I have."

7. "Friendship is not about how long you've known each other, but about the beautiful moments you've shared together."

8. "A good friend knows all your best stories, but a best friend has lived them with you."

9. "Friendship is the sweetest escape from the storms of life."

10. "A real friend is one who walks in when the rest of the world walks out."