不管白貓黑貓，捉住老鼠就是好貓

不管白猫黑猫，捉住老鼠就是好猫
bùguǎnbáimāohēimāo,zhuōzhùlǎoshǔjiùshìhǎomāo
it doesn't matter whether a cat is white or black; as long as it catches mice it's a good cat (variant of a Sichuanese saying used in a speech by Deng Xiaoping 鄧小平 Dèng Xiǎopíng in 1962, usually associated with his economic reforms starting in 1978, in which pragmatism was favored over ideological purity)

CEDICT

Entry Composition

1 不管 bùguǎn
  1. not to be concerned
  2. regardless of
  3. no matter
2 白 bái
  1. white
  2. snowy
  3. pure
  4. bright
  5. empty
  6. blank
  7. plain
  8. clear
  9. to make clear
  10. in vain
  11. gratuitous
  12. free of charge
  13. reactionary
  14. anti-communist
  15. funeral
  16. to stare coldly
  17. to write wrong character
  18. to state
  19. to explain
  20. vernacular
  21. spoken lines in opera
3 貓 māo
  1. (dialect) to hide oneself
  2. (loanword) (coll.) modem

classifier: 隻
4 黑貓 hēimāo black cat
5 捉住 zhuōzhù
  1. to catch
  2. to grapple with
  3. to hold onto
6 老鼠 lǎoshǔ
  1. (archaic dialectal, Guilin Mandarin) bat (animal)
  2. (countable) mouse and rat in general (Classifier: 隻／只 m c h)
  3. bat (animal)
  4. cunning, deceitful person
  5. mouse and rat in general (Classifier: 隻／只 m c h)

classifier: 隻
7 就是 jiùshì
  1. exactly; precisely
  2. only; simply; just
  3. (used correlatively with 也 yě) even; even if
8 好 hǎo
  1. good
  2. appropriate; proper
  3. all right!
  4. (before a verb) easy to
  5. (before a verb) good to
  6. (before an adjective for exclamatory effect) so
  7. (verb complement indicating completion)
  8. (of two people) close; on intimate terms
  9. (after a personal pronoun) hello
9 貓 māo
  1. (dialect) to hide oneself
  2. (loanword) (coll.) modem

classifier: 隻