Beauty without grace, is a hook without a bait.

Anne "Ninon" de l'Enclos (1620-1705) French author, courtesan, patron of the arts [Ninon de Lenclos, Ninon de Lanclos]

The Memoirs of Ninon de L’Enclos, Vol. 1, “Life and Character” (1761)
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Ralph Waldo Emerson used almost precisely the same phrase in "Beauty," The Conduct of Life (1860).