She lacks the indefinable charm of weakness.

It is the feet of clay that make the gold of the image precious.

Her feet are very pretty, but they are not feet of clay.
White porcelain feet, if you like.

They have been through the fire, and what fire does not destroy, it hardens.

She has had experiences." "How long has she been married ?" asked Dorian.
"An eternity, she tells me.