A man is king in his own house

Similar English and Irish sayings:

In the land of the blind, the one-eyed man is king In the land of the blind, the one-eyed man is king
The king is dead, long live the king! The king is dead, long live the king!
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

Proverbs and English sayings