you can't teach an old dog new tricks

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you can't teach an old dog new tricks

Where it comes from

A form of the now-obsolete An old dog will learn no tricks.

proverb

  1. It is impossible to change people's habits, traits, or mindset.

Opposite: it's never too late to mend, you're never too old to learn

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MLA

"you can't teach an old dog new tricks." Wiktionary, via Micwyn, micwyn.com/word/you%20can't%20teach%20an%20old%20dog%20new%20tricks. Accessed 7 Nov. 2026.

APA

you can't teach an old dog new tricks. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/you%20can't%20teach%20an%20old%20dog%20new%20tricks

Chicago

"you can't teach an old dog new tricks." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/you%20can't%20teach%20an%20old%20dog%20new%20tricks.

BibTeX
@misc{you_can_t_teach_an_old_dog_new_tricks_2026,
  title = {you can't teach an old dog new tricks},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/you%20can't%20teach%20an%20old%20dog%20new%20tricks},
  urldate = {2026-11-07}
}