不经一事，不长一智

不經一事，不長一智
bùjīngyīshì,bùzhǎngyīzhì
  1. lit. you can't gain knowledge without practical experience (idiom)
  2. fig. wisdom only comes with experience

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 经 jīng
  1. classics
  2. sacred book
  3. scripture
  4. to pass through
  5. to undergo
  6. to bear
  7. to endure
  8. warp (textile)
  9. longitude
  10. menstruation
  11. channel (TCM)
  12. abbr. for economics 经济 jīngjì
3 一事 yīshì
  1. (dialectal) related (organizationally or professionally); belonging to the same organization
  2. related (organizationally or professionally); belonging to the same organization
4 不 bù
  1. no; not so
  2. (bound form) not; un-
5 长 zhǎng
  1. chief
  2. head
  3. elder
  4. to grow
  5. to develop
  6. to increase
  7. to enhance
6 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
7 智 zhì (literary) wise; wisdom