People only see as far as they are able and the rest of the truth is lost on them.
Things don't have to be sane when they're normal.
If a life goes down the toilet, it comes out in a river and meets the sea.
If people knew who the angels were, they would be very nice when they saw one and would still do their same evil garbage when they thought none were around. Knowing who they are defeats the purpose.
It's fine to be insane as long as you keep it to yourself.
People love to see you get ahead — so long as you don't get farther ahead than they are.