She was a trap to break a heart of stone!

Usually the one with a heart of stone can't love at all.

Only a heart of stone would have held no sympathy for him.

She is very pretty and has a heart of stone.

You would have to have a heart of stone not to like this room.

So the spring has managed to melt the heart of stone after all!

They would have melted any but a heart of stone.

You would have to have a heart of stone for this film not to get under your skin.

You'd have to have a heart of stone, to see all this and not feel it.

I am concerned that you have a heart of stone.