取其精華，去其糟粕 [－－－华－－－－－]

Jyutping ceoi2 kei4 zing1 waa4 , heoi3 kei4 zou1 pok3
Pinyin qǔ qí jīng huá , qù qí zāo pò

Definitions (CC-CEDICT)
  1. take the cream, discard the dross (political and educational slogan)
  2. keep what is good, discard the rest
  3. You need to be selective when studying.
  4. In modernizing the country, don't accept uncritically all foreign ideas.