以下是一些表達友誼的英文佳句：
1. "Friendship is like a river, deep and calm, flowing silently through the years."
2. "A friend is like a river, that flows through the years, carrying our sorrows and joys, but never losing its way."
3. "Friendship is like a candle, burning brightly and giving light in the dark valley of life."
4. "Friendship is a beautiful flower that blossoms over time, and a treasure that grows deeper with every passing day."
5. "A true friend is like a book, full of wisdom and knowledge, that can guide you through life's journey."
6. "Friendship is a bond that unites us to others, making us stronger and more compassionate."
7. "A friend is someone who knows all about you and still loves you."
8. "Friendship is a gift that brings joy and comfort, even in the darkest of times."
9. "A true friend is like a star in the night, guiding you through the unknown."
10. "Friendship is a beautiful thing, like a rainbow that bridges the sky between two hearts."