Inefficient method of doing something. Better be small and awake than big and lazy . Size doesn't always matter, the smartest person usually prevail. Too many chefs spoil the food . Tasks often become messed up, or unnecessarily complicated, when more people are involved.
Thief thinks everybody steals .
A bad person assumes everybody have the same poor behavior, and is often the first to complain about the treatment they themselves subject others to. Don't ask a wolf to guard the sheep . Those who gets to the mill first, will first get their grain milled . Early bird catches the worm . To throw perls for pigs .