From the Thief II game: To use thy chisel is to blunt its edge 'gainst the stone. To not use thy chisel is to waste its edge. I know it is some drivel invente

From the Thief II game: To use thy chisel is to blunt its edge 'gainst the stone. To not use thy chisel is to waste its edge. I know it is some drivel invented to stuff out the in-game story, but it stuck. I tend not to use some nice thing as I might break/waste it, so I use this text as an occasional prod that it's fine.