相似的人适合一起欢闹互补的人适合一起变老
[xiāng sì de rén shì hé yī qĭ huān nào hù bŭ de rén shì hé yī qĭ biàn lăo]
'Similar people are suitable for rejoicing together; complementary people are suited to grow old together.' It conveys a philosophical view on relationships, highlighting that like-minded individuals enjoy fun activities harmoniously while those who complement each other in different aspects of character and interests have the potential for a more balanced relationship over long-term partnership leading into elder years.