以下是關於友情的英文格言：
1. A friend in need is a friend indeed. 患難見真交。
2. Friendship is like a plant dependent on mutual growth. 友誼就像一株依賴共同生長的植物。
3. Friendship is love without his wings. 友誼是愛的翅膀。
4. Friendship is a plant of slow growth, and must undergo and withstand the shocks of time. 友誼是一種緩慢生長的植物，必須經歷時間的考驗。
5. A life without a friend is a life without a sun. 沒有朋友的生活就像生活在一個陰暗的天空下。
6. A true friend is known in the hour of need. 在危難時刻知曉真正的朋友。
7. Friendship is like money, it will give you more value when it is well spent. 友誼就像金錢，只有善用才能讓它增值。
8. Friendship is a sweet heritage, which is gotten by inheritance. 友誼是一種甜蜜的收穫，是通過繼承而獲得的。
9. Friendship cannot be bought with money. 不能用金錢買得到的友情。
希望以上信息對您有幫助。