an absolute heart of gold.

True forgiveness is not an action after the fact, it is an attitude with which you enter each moment.

He had a heart of gold.

at the very heart of the discussion.

For her heart was cold to all but gold,And the rich came not to woo --But honored well are charms to sellIf priests the selling do.

His bark is worse than his bite. He's got a gruff exterior but underneath is a heart of gold.