Everyone Needs a Devil's Advocate

Opposition could be viewed as a conscience that speaks from outside you, akin to the ‘little voice’ inside you. It has been observed that unlimited power invariably hurtles us towards hubris, and leads to a subsequent downfall.  John Locke, philosopher and proponent of the social contract, wrote in ‘An Essay Concerning Human Understanding,’ that ‘all men are liable to error; and most men are, in many points, by passion or interest, under temptation to it’.