Muslim ibn Nadhir said, "A man asked Hudhayfa, 'Should I ask permission
to enter where my mother is?' He replied, 'If you were not to ask her permission,
you would see what you dislike.'"
'Alqama said, "A man came to 'Abdullah and said, 'Should I ask
permission to go in where my mother is?' He said, 'At all times. Do you
want to see her (exposed)?'"
Musa ibn Talha said, "I entered where my mother was with my father.
He went in and I followed him. He turned and pushed me in the chest so
that I fell on my bottom. Then he said, 'Will you enter without permission!'"
Ibn 'Umar reported that when his children had reached puberty
and he had withdrawn to his room, none of them entered where he was except
with his permission.