" No,” Gus answered immediately. “The needs of the gears are persistent. Without constant lubrication, they will seize. They will not process fuel. Without energy to turn them, the stars will no longer burn in the void. Without the unending warmth of the machine, without the rotation of the gears, the cold and the still will take everything. You do not understand it. You will not accept it. But we fight against entropy. We fight for motion. We fight for the machine. We are bits in that glorious engine, all of us. Even you. Even your friends. There may not be a final goal for us. We do not get the luxury of an end point. There is only maintenance, and our toil is infinite. But the work is good. The gears must turn. No, Carey. There is never enough blood.” That "

― Robert Brockway , The Unnoticeables (Vicious Circuit, #1)