Who said "Form and content are one in supreme poetry."?

This quote is attributed to Stéphane Mallarmé.

Form and content are one in supreme poetry. - Stéphane Mallarmé

"Form and content are one in supreme poetry."

Stéphane Mallarmé Art

Poet French 1842–1898

"The flesh is sad, alas, and I have read all the books."

"Music is the art most nigh to tears and memory."

"I love the beautiful weather."

"Genius is the ability to renew one's emotions in daily experience."

"The stage is my true home."

"Art is the expression of the soul."

"Living well means living properly."

"Art and music are the treasures of civilization"