Who said "That is what I do, I tell what I know."?

This quote is attributed to Gertrude Stein.

That is what I do, I tell what I know. - Gertrude Stein

"That is what I do, I tell what I know."

Gertrude Stein Truth

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."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."