Who said "Moral progress requires uncomfortable clarity."?

This quote is attributed to Marianne Moore.

Moral progress requires uncomfortable clarity. - Marianne Moore

"Moral progress requires uncomfortable clarity."

Marianne Moore

Poet American 1887–1972

"I like a long dress on a woman, I do not like to see a woman look like a man."

"The mind is an enchanting thing."

"Omit needless words."

"If you wish an interesting essay read all that the other side has to say."