萬變不離其宗 [万变－离－－]

Jyutping maan6 bin3 bat1 lei4 kei4 zung1
Pinyin wàn biàn bù lí qí zōng

Definitions (CC-CEDICT)
  1. many superficial changes but no departure from the original stand (idiom); plus ça change, plus ça reste la mème chose
Definitions (粵典–words.hk)
  1. 語句
    無論​形式​上​有​咩​變化​，​本質​始終​如​一
    to remain essentially the same despite all apparent changes
Definitions (Wiktionary)
  1. proverb
    No matter how much something changes, it will still retain its essence.
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）