It is hard to teach an old dog new tricks. (Danish Proverb)

It is hard to teach an old dog new tricks.

Danish Proverb

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dog hard teach

Related proverbs

As you teach, you learn. View proverb
Jewish Proverb
Beginning is easy – Continuing is hard. View proverb
Japanese Proverb
You can't teach an old dog new tricks. View proverb
Polish Proverb
You have to be smarter than the dog to teach him tricks. View proverb
American Proverb
You can't teach an old dog new tricks. View proverb
Irish Proverb