And they are solid and merciless prisons.
We use categories to define ourselves and others, and we fail to understand, for the most part, that while they are a useful tool, they are fictitious. It’s way too easy to take on our shoulders the burden a full category carries with it, and it’s even easier to accuse others of misdeeds perpetrated by a generic (and often illusionary) category.
Take a step sideway the next time you use a category, whether it’s to label what you feel you are or what you feel others are. You will spot a lot more variety and will see clearly the immense power categories have on the way we perceive the world.