以下是關於愛情的哲學術語的佳句，用英文表達：
1. Love is like a garden - it requires nurturing and tending, but the rewards are worth it. (愛情就像花園，需要呵護和照料，但回報是值得的。)
2. Love is patient and kind; love is not jealous or boastful; it does not rejoice at another's sorrow, but bears in love. (愛情是恆久忍耐又慈悲的，不嫉妒，也不自誇，不因為對方的悲痛而歡喜，只是以愛來包容。)
3. Love never dies a natural death. It endures forever. (愛情永遠不會自然消失，它永遠存在。)
4. Love is like the sun - it warms you even on the coldest winter day. (愛情就像太陽，即使在最寒冷的冬天也能給你溫暖。)
5. Love is the ultimate mystery that we all seek to understand. (愛情是我們都在尋求理解的終極奧秘。)
6. Love is not about what you get, but what you give. (愛情不是你得到了什麼，而是你付出了什麼。)
7. Love is a journey, not a destination. (愛情是一場旅行，沒有終點。)
8. Love is not about being loved, but about loving another. (愛情不是關於被愛，而是關於去愛別人。)
這些句子可以用來表達對愛情的深刻理解和感悟。