Chéng / Hào / yǔ / dìdi / Chéng / Yí / bìngchēng / Èrchéng / duì / Sòngdài / lǐxué / de / fāzhǎn / yǐngxiǎng / shēnyuǎn

程颢与弟弟程颐并称“二程”，对宋代理学的发展影响深远。

Cheng Hao and his younger brother Cheng Yi were known together as the “Two Chengs” and had a profound influence on the development of Song-dynasty Neo-Confucianism.