You only have power over people so long as you don't takeeverything away from them. But when you've robbed a man of everything he's nolonger in your power he's free again.
The exercise of power is determined by thousands ofinteractions between the world of the powerful and that of the powerless, allthe more so because these worlds are never divided by a sharp line: everyonehas a small part of himself in both.
I have learned through bitter experience the one supremelesson to conserve my anger, and as heat conserved is transmitted into energy,even so our anger controlled can be transmitted into a power that can movethe world.