久年沉默人心冷久伴于人暖人心
[jiŭ nián chén mò rén xīn lĕng jiŭ bàn yú rén nuăn rén xīn]
It conveys the idea that after a long time of silence and loneliness, having company can make one's heart warm again. It highlights how companionship brings warmth to cold hearts after long periods of isolation.