以下是一些關於愛情的英文格言：
1. "Love is like a butterfly which appears and disappears quickly."
2. "Love is like a river, it flows when it wants to and is still when it wants to be."
3. "Love is like a seed that needs to be nurtured and cared for to grow."
4. "Love is patient and kind; it is never jealous or boastful."
5. "Love is like a flame that burns brightly at first, but then gradually fades as time passes."
6. "The greatest happiness of life is the passion of love, which casts a rosy hue over every object around."
7. "The essence of love is the essence of selflessness, where you are willing to sacrifice your own desires for the wellbeing of the other."
8. "The road to love is strewn with the heart's footprints; and those who persevere are rewarded with an abundance of joy."
9. "True love does not make us grow weak in the knees, but gives us the strength to endure the world and make a difference in it."
希望這些格言能夠對你有所幫助！