求大同，存小異 [－－－－－－异]

Jyutping kau4 daai6 tung4 ， cyun4 siu2 ji6
Pinyin qiú dà tóng ， cún xiǎo yì

Definitions (Wiktionary)
  1. phrase, idiomatic
    to seek common ground on major issues while reserving differences on minor ones