For among other evils caused by being disarmed, it renders you contemptible; which is one of those disgraceful things which a prince must guard against.
I acted at school but got very bad parts - things that they'd made up in Shakespeare plays like 'Guard 17' - so I wrote plays and gave myself parts, then I wrote sketches, then I did stand-up. Even in the school nativity I was the emu in the manger.
98% of the people in the world are harmless and wish you well, but it only takes one person who doesn't. That's what you're constantly on guard against.