Tā bú yuàn yào háizi, gēnběn bú xìn shénme yǎng ér fáng lǎo.
He doesn't want children — he simply doesn't buy the idea of having kids to support you in old age.
Tips
history
From Chen Yuanjing's 《事林广记》 (Southern Song almanac): '养儿防老,积谷防饥' — 'raise sons against old age, store grain against famine'. The full couplet is still quoted today.
culture
Tied to 孝 (xiào, filial piety) and to systems where the state provided no pension. Often invoked — sometimes ironically — in modern debates about declining birthrates and elderly care.