以下是一些關於友誼的英文佳句：
1. "Friendship is like a river, silent and peaceful, but carrying great loads of wisdom." - Ralph Waldo Emerson
2. "A true friend is one who walks in when the rest of the world walks out." - Oscar Wilde
3. "Friendship is like money, it improves with age." - Mignon McLaughlin
4. "Friendship is like the sunflower that points towards the sun." - Paulo Coelho
5. "A friend in need is a friend indeed." - Chinese Proverb
6. "Friendship is not a matter of degrees, it is a matter of choice." - Maya Angelou
7. "True friendship is like a plant that grows in the dark corner of our heart." - Unknown
8. "Without friends, life would be a world without laughter and flowers without fragrance." - Rainer Maria Rilke
9. "A friend is a mirror with two faces, showing you both your face and your own." - Proverb
10. "Friendship is the beauty of life, and without it, life itself has no value." - Eleanor Roosevelt
這些句子都表達了友誼的重要性和價值，以及朋友在我們生活中的角色。