Taking into account human nature, exercising power over a man's livelihood is equivalent to exercising power over his will.
It is an undeniable truth that the whole population of each country sincerely desires its prosperity; but it is equally irrefutable that it does not possess the discernment and stability necessary for a systematic government.
Why has government been instituted? Because the passions of men do not conform to the dictates of reason and justice without coercive force.