Talk about a fall from grace. Saruman the White was a heaven-sent demigod, gifted with all the magical might and political charm to unite the peoples of Middle Earth against the forces of darkness. That's something of a dream job in the wizarding world, but alas the grass is always greener.
Over time that dream job soured. Endless White Council meetings and planning sessions consumed Saruman's days, while outside a storm of modernity began to creep into the world. So Saruman decided to cast it all aside and make a play for the all-powerful One Ring. He industrialized Isengard, raised an army of orcs and set out to make his mark on the world.
It didn't quite work out. Isengard fell. His armies scattered. Too prideful to crawl back to Gandalf and the White Council, he instead conquered the Shire and attempted to modernize the hobbits. Defeated here as well, he died at the hands of his backstabbing lackey Wormtongue in one of Hobbiton's worst neighborhoods.
The lesson: Look, the life of a highly successful wizard isn't all Balrog battles and dark wizard duels. Sometimes you just have to sit through a meeting, fill out some paperwork and settle for collective glory.