Never throw your last knife.

A knife is not a little sword. A knife is a sharp fist.

Knives are not for fighting. Knives are for killing people who don't know you have knives.

If somebody comes at you with a knife, keep something large between yourself and the blade. A chair works. So does the body of the knife guy's friend. Best of all is a loaded gun.

The most dangerous weapon in the hands of an untrained attacker is a butcher knife. A sword requires strength and technique. A firearm requires...