Who said "I am I because my little dog knows me."?

This quote is attributed to Gertrude Stein.

I am I because my little dog knows me. - Gertrude Stein

"I am I because my little dog knows me."

Gertrude Stein

Novelist Poet American 1874–1946

"A rose is a rose is a rose."

"There is no there there."

"Everybody gets so much information all day long that they lose their common sense."

"You are all a lost generation."