How do the ideas expressed in lines 88-96 help to qualify or clarify some of thoreau's ideas?

lines 88-96

" why does it always crucify christ, and excommunicate copernicus and luter , and pronounce washington and franklin rebels?...

if the unjusice is part of the necessary friction of the machine of goverment, let it go, let it go: perchance it will wear smooth, the machine will wear out . ifinjustice has a spring or a pulley or a rope or a crank , exclusively for itself, then perhaps you may consider whether the remedy will not be worse than evil: but if it so much a nature tat it requires you to be the agent of the injustiice to another , then, i sa break the law. let your life be a counter-friction to stop the machine.