Under that heart of stone beat muscles of pure flint.
The hardness of the human heart makes no sense.
A reporter once asked me if I ever cried. I wonder if people think I'm just as hard as a rock and have no emotions at all.
She might have melted a heart of stone, but nothing can melt a heart of wood.
We're not hard people.
It's not so much that he can't fall in love, but he has not the weakness necessary.
'Tis hard preaching a stone into tears, or making a rock to tremble.
My mum and dad split up when I was five years old, and that was quite upsetting. But ever since then, I've been very hard.
But, tears were not the things to find their way to Mr. Bumble's soul; his heart was waterproof.
The heart hid still in the dark, hard as the Philosopher's Stone.