百川歸海

百川归海
bǎichuānguīhǎi
all things tend in one direction (idiom)

CEDICT

natural trend; all eyes look toward; all things tend to go in the same logical direction; everyone turns to somebody for guidance

Wiktionary

本指眾多河川流入大海之中。語本《淮南子．氾論》：「百川異源，而皆歸於海。」後亦比喻天下人、事、物雖分雜，終究匯聚於一處。

重編國語辭典

天下人、事、物雖分雜，終究匯聚於一處

維基詞典

Entry Composition

1 百川 bǎichuān rivers
2 歸 guī
  1. to return
  2. to go back to
  3. to give back to
  4. (of a responsibility) to be taken care of by
  5. to belong to
  6. to gather together
  7. (used between two identical verbs) despite
  8. to marry (of a woman) (old)
  9. division on the abacus with a one-digit divisor
3 海 hǎi
  1. ocean
  2. sea
  3. great number of people or things
  4. (dialect) numerous

classifiers: 個, 片