愿无岁月可回头且以情深共白首
[yuàn wú suì yuè kĕ huí tóu qiĕ yĭ qíng shēn gòng bái shŏu]
This poetic phrase translates to 'Wish There Are No Years to Regret, But to Have Love Deep Enough to Grow Old Together,' expressing a longing for a lifelong companionship filled with love, commitment, and no regret.