Who said "Mother, what is the nature of this madness you speak of?"?

This quote is attributed to Norman Bates.

Mother, what is the nature of this madness you speak of? - Norman Bates

"Mother, what is the nature of this madness you speak of?"

Norman Bates Wisdom

"A boy's best friend is his mother."

"We all go a little mad sometimes."

"Mother is not quite herself today."

"I think that we're all quite mad."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."