以下是一些英文諺語佳句友情：
1. A friend in need is a friend indeed. 在患難中的朋友才是真正的朋友。
2. A true friend holds you up when you are down. 真正的朋友在你失意的時候能夠支持你。
3. A friend warns you in silence, so that you may learn a lesson. 朋友總是默默地提醒你，讓你從中汲取教訓。
4. Friends don't throw dirt on each other's failures. 真正的朋友不會互相嘲笑對方的失敗。
5. Friends may disagree, but they should always be polite. 朋友之間雖然有分歧，但始終應該保持禮貌。
6. True friendship is like a fine wine, getting better with age. 真正的友情就像上等的葡萄酒，隨著時間的推移而變得更加醇厚。
7. A friend is always there when you need him. 當你需要朋友的時候，他總是在那裡。
8. A friend in court is better than a penny in purse. 口袋裡有再多的錢也比不上有朋友在身邊。
9. A life without a friend is like a world without sunshine. 沒有朋友的生活就像沒有陽光的世界。
希望這些句子能夠幫助你表達對友情的珍視和感激之情。