“Daenerys Targaryen: Lannister, Targaryen, Baratheon, Stark, Tyrell they're all just spokes on a wheel. This ones on top, then that ones on top and on and on it spins crushing those on the ground.
Tyrion...
“I had to stop driving my car for a while. The tires got dizzy.”- Steven Wright
A tire is what gives a definition to any car. Without it, no vehicle would do their main job....