A wise man changes his mind, a fool never will

Similar English and Irish sayings:

Wise men change their minds; fools never do Wise men change their minds; fools never do
A fool knows more in his own house than a wise man in another’s A fool knows more in his own house than a wise man in another’s
More knows the fool in his own house than the wise man in another’s More knows the fool in his own house than the wise man in another’s

Proverbs and English sayings