日久見人心

日久见人心
rìjiǔjiànrénxīn

time reveals a person's heart; time will tell a true friend from a false one

Wiktionary

Entry Composition

1 日久 rìjiǔ with the passage of time; over time
=2 見 jiàn
  1. to see
  2. to meet
  3. to appear (to be sth)
  4. to interview
  5. opinion
  6. view
=2 見 xiàn
  1. to appear
  2. also written 現 xiàn
3 人心 rénxīn
  1. popular feeling
  2. the will of the people

Containing this entry

路遙知馬力，日久見人心 lùyáozhīmǎlì,rìjiǔjiànrénxīn just as distance determines the stamina of a horse, so does time reveal a person's true heart (proverb)