Peace of my heart

Weathered --- ---The stone that lay day by day, unable to change it's surrounding, beat over and over by the continual water flow, unnoticed by passersby and undoubtedly stepped on, often. No one saw the shaping process. It was just a stone that sat there, probably years without any purpose. Slowly losing the hard residual that clung to it's form.  However, as each day slowly drifted by, it became smoother and smoother. Finally one day it was perfected. Finally one day it was chosen. Finally one day it was fit for what it had been purposed to do. All of those insignificant everyday moments had caused it to become fit for the hand of a future king; for use in one of the greatest historic battles of all time. The shaping hadn't been a curse, but a blessing. No one noticed it before the day that it was slung. No one noticed it's use in the process, because the focus was on the fall of the giant and the valiant faith of the warrior and future king. Yet...