When nothing seems to help, I go and look at a stonecutter hammering away at his rock perhaps a hundred times without as much as a crack showing in it.
Yet at the hundred and first blow it will split in two, and I know it was not that blow that did it, but all that had gone before.
— Jacob Riis
It's often hard to see the progress you're making.
Trust in the process and continue chipping away.
Watch (1 min) Stone Cutting With Ancient Tools