Life is sharp as a stick, not the sharpest thing not the dullest.You could poke yourself with one and it would only annoy you.These a variety short long sharp dull and you can change it.We learned to make spears from sticks,weapons.You could also dull them sand down the edges, it doesn’t hurt like a spear but if it keeps hitting you over and over and over again.Eventually you get beaten and if it doesn’t stop death.Eventually though life doesn’t feel sharp feel deadly it always has a opportunity to beat you down till it’s far too late.Lucky maybe you’ll get a stab and don’t have bear the pain of your downfall.