[jacquesm]

Probably several chisels, and maybe even multiple hammers. I've done my share of chiseling and I've never worn one out yet but I'm not in the habit to going through 100+ meters of rock, even so my cold chisel is probably only about 80% the size that it was when I first bought it.

[masklinn]

Oh yes absolutely, he explained that initially the other villagers had thought him crazy, then after a few years and visible progress some started giving him food or chipping in for tools replacement.

[jacquesm]

The sheer perseverance is humbling. I have a hard time staying focused on anything for much longer than week, and those tend to be interesting and intellectually rewarding, to be focused on transforming rock to rubble and removing it for decades is somewhere just below 'god mode'.

[saalweachter]

"When all you have is a hammer"?