不悔此生种深情甘愿孤旅自飘零
[bù huĭ cĭ shēng zhŏng shēn qíng gān yuàn gū lǚ zì piāo líng]
It roughly translates to 'Not regretful for planting deep emotions in this life, willing to travel alone and float in solitude.' It conveys someone with no regrets about their passionate feelings even though they lead a solitary life.