" You can't teach an old dog new tricks "
Once animals (and people) are set in their ways they struggle to assimilate new ideas.
I tried to learn Mandarin after I retired but I got nowhere with it. I guess you can't teach an old dog new tricks.
Where did it originate?:
, 16th century proverb. One of the oldest proverbs in English.
Where is it used?:
, but like many proverbs, now mostly used by the older generation.
Hear the idiom spoken: