溫故而知新 wēn gù ér zhī xīn

DEFINITIONS

  1. to review the old and know the new (idiom, from the Analects)
  2. to recall the past to understand the future

CHARACTERS

溫 wēn lukewarm, warm; tepid, mild
故 gù ancient, old; reason, because
而 ér and; and then; and yet; but
知 zhī know, perceive, comprehend
新 xīn new, recent, fresh, modern